Category Archives: Music

Out with the old…

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I apologize for the dearth of new blog posts. Springtime brought the usual crush of yard work and the double whammy of spring cleaning. We hope to move to Seattle sometime in the next few years and we need to scrape off decades of old stuff.

I’ve gotten to the point where it’s a no-brainer to recycle or toss items that I will never use again. I’m beyond emotional attachment or sentimentality. However, I recently did disposed of two kinds of things that are near and dear to my heart. I couldn’t bear to see either go into the town incinerator or landfill, and it took a fair bit of time, thought and effort to find them a new home.

First, I cleared out my old vinyl records. I’m not one of those guys with thousands of records, mind you, but I did have some decent albums. I used to be obsessive about record care, so I knew that someone, somewhere would enjoy them just as much as I did. This job took a while to complete thanks to my aching back!

I want to give a shout out to two local vinyl shops: Vinyl Vault in Littleton, MA and Vinyl Destination in Lowell, MA. The best part of this job was meeting the proprietors of both stores and having a wonderful time talking vinyl and music. If you’re in the Merrimack Valley region of Massachusetts, please visit them and give them your business. You might even come across one of my old favorites!

Next to go were two old Macintosh computers: a Performa 6400 Video Editing Edition (VEE) and a Mac SE. Both machines are still up and running although there are a few creaky parts. The same can be said for my aging body. 🙂

This is where my visit to the Living Computers Museum in Seattle paid off. (Please see my trip report about the museum.) I’m happy to say that the machines are on their way to the Museum in Seattle. It took a while to catalog all of the pieces and parts, including a fairly extensive collection of vintage Mac software. The Museum staff are friendly, easy to work with, and very helpful.

A big part of prepping these old machines was scrubbing personal data. Neither Mac OS 6 and OS 9 (!) provide native facilities for securely deleting files. Fortunately, I found an old version of Norton Utilities on the Web and used its “file wipe” feature.

I know that the Museum will put the machines to good use. As C3PO once said, “You must repair him! Sir, if any of my circuits or gears will help, I’ll gladly donate them.” Please visit Living Computers + Labs in Seattle and maybe you’ll have a chance to use two of my old favorites.

Public service announcement: Good grief, people, let’s keep computers out of landfills. There are many folks who need machines. I want to mention one other organization: Computer Technology Assistance Corps (CTAC) in Manchester, NH. CTAC not only provides computers, they run training programs to teach computer-based employment skills. They’re a great outfit! Please support them.

First glimpse: Yamaha MX88BK

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Thanks to Michael at the PSR Tutorial forum, we have the first glimpse of the newest member of Yamaha’s MX synthesizer family — the MX88 in black (MX88BK). The MX88BK is an 88-key version of the popular MX49 and MX61 keyboards. The MX88BK has a GHS graded hammer action. It has the same 128 voice polyphony as its brother and sister, and has the same software update for class-compliant USB audio/MIDI.

The MX88BK is 6.6 x 52 x 16 inches and weighs 30.6 pounds. The MX88BK will have a street price around $1,000 USD.

The MX88BK is the replacement for the MM8. The Yamaha USA site still shows the MM8 as a current product and it’s still possible to order the MM8 from on-line retailers. The MM8 has a GHS keyboard and has a street price around $900 USD. Yamaha is offering a $200 rebate on the MM8. The offer is valid from April 1, 2017 through June 30, 2017.

The MM8’s price hits the sweet spot of a GHS piano/synthesizer keyboard around $1,000 (new). The MX88BK will hit the same spot. This is Yamaha’s strategy of offering products across a spectrum of prices and buyers — something for everybody.

Less talk, more action

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Your Youtube product demo can either help you or kill you. And a lot rides on style.

Some folks stumbled onto the DEXIBELL COMBO J2 lounge demo and immediately trashed the COMBO J2 as “cheese,” writing it off. Yeah, but click a little further and Ralf Schink positively shreds the DEXIBELL COMBO J7. This dude absolutely kills it and makes the DEXIBELL COMBO J2 a serious contender for rock and jazz players.

Another pet peeve are demos that are mostly talk without any music. Look, we all get the concepts of layering, splitting, knob control, etc. You don’t need explain the front panel. Just play the $^%$# thing. The Korg Kronos and Kronos LS demo is flirting with the line between listening and clicking off to some other destination.

Talk is truly painful when the demonstrator doesn’t convey energy and enthusiasm. (Tip: Don’t record a demo for the Web after a long day on the show floor.) Everybody’s gold standard for chops and enthusiasm is Katsunori UJIIE (musictrackjp). Even though his videos usually have English captions, I will listen to UJIIE in Japanese for hours thanks to his infectious energy and playing skills.

The Waldorf Quantum looks like an interesting new synth with a beautifully clean front panel. But, demo-wise, Waldorf needs to up their game. I wanted to post a link to a demo, but I also don’t want to poison the well.

An interesting bit of plumbing, that

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Frankfurt Musikmesse 2017 is off and running!

Yamaha Europe have a web page for their new product launches at Musikmesse 2017. You can find links to all of the new products on that page, so I won’t reproduce them here.

In addition to new CLP pianos, Yamaha have announced five portable musical instruments:

  • PSR-E263
  • YPT-260
  • PSR-E363
  • PSR-EW300
  • DD-75

The PSR-E363 and PSR-EW300 continue Yamaha’s pattern of offering a 76-key version (the EW model) of a sister, 61-key portable arranger keyboard. Yamaha want a big piece of the low cost digital piano market in China and 76-key models give them a way in.

Yamaha also claim “improved sampling,” which is good. I dinged the PSR-E443 for sounding exactly like the PSR-273 from 2003. Yamaha’s competition has gotten stiffer in the entry-level space especially with the new Roland GO:KEYS and GO:PIANO. The few Roland demos on the Web sound pretty darned good. Retailers expect the GO:KEYS in May 2017.

The (unexpected) instrument that brought an instant smile to my face is the Yamaha Venova. The YVS-100 Venova looks like a plumber’s playful take on a recorder. However, the Venova features a real mouthpiece and reed, producing a “sax-like” tone. It might be a little harder for Jon Batiste to pick up one of these and rock it!

Depending upon the cost, I may have to buy one. Aside from being positioned as a fun, “casual” instrument, the Venova looks like the gateway to clarinet or sax. Of course, This may boost traditional, acoustic instrument sales for Yamaha, too, as people want to move on to the harder stuff. The first taste is (almost) free.

I hope Yamaha release the backstory on the Venova. With the odd bends and squiggles in the pipe, it looks like some engineer brought a virtual acoustic (mathematically modeled) VL-70 instrument to life. Cool! Might inspired a STEM career or two along with musical jams.

Round and round they go

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Here’s a couple of new products to be announced at NAMM 2017.

The first product is a rotary speaker system that doesn’t use any rotating elements. It’s the Moon Amplification Skamp®.

moon_amp_skamp

The Skamp® has nine transducers in total: six speakers and four horns. There are two speakers and one horn per side. The DSP models a the physical movement of sound around a room by shooting the audio out each side in a round-robin fashion.

moon_amp_sound_paths

This design is a real head-slapper. Why didn’t someone think of it before? Kudos. I haven’t seen a retail price as yet.

If you want more info, you can check out the U.S. Patent:

Apparatus and Method for a Celeste in an Electronically-Orbited Speaker
US patent number: 9,286,863
Publication date: March 15, 2016
Inventor: Nancy Diane Moon

BTW, if you live in the USA, patent law does not allow “personal use.” So, forget about building this one in your backyard!

In the Something Red category, check out the Rock’N’Rolla junior briefcase turntable. You can get these guys in black, white, and teal, too. All set to spin your 33s, 45s and 78s.

rock_n_rolla_red

The Rock’N’Rolla drew out a moment of nostalgia — the first time I ever heard Jimi Hendrix’ Purple Haze. In 1967, I was playing in a Motown, Soul, Top 40s garage band. The guy who was our erstwhile manager came rushing in and, breathing hard, said, “You’ve got to hear this!”

Being dirt poor teens, nobody had a working record player. The only player that could spin a record had a busted amplifier. So, we put the 45 on the player, turned it on, put our ears next to the tone arm, and listened to the needle scratch out “Purple Haze” unamplified.

I didn’t get a chance to cover “Purple Haze” until I moved on to the psychedelic band — which still covered a few Motown tunes lest we got our butts kicked. Cleveland, 1967.

Won’t be long, yeah!

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Winter NAMM 2017 starts in two weeks (January 19). As usual, we gear freaks can’t wait to get our annual new product fix!

Roland jumped the field and announced a few new products at the 2017 Consumer Electronics Show (CES). They appear to be rolling out a new consumer-oriented product line, “GO:”, for amateur musicians and music makers.

Roland announced two new keyboards for beginning players: the GO:KEYS (G-61K and G-61KL) and the GO:PIANO. Both products target the entry-level market currently dominated by Yamaha and Casio. This is a smart business move as the entry-level segment moves a lot of units and offerings in this segment have been getting stale. Here are estimated USA sales statistics for 2014 in the “portable keyboard” segments:

    Category                       Units            Retail value
    -----------------------------  ---------------  -------------
    Portable keyboards under $199    656,000 units  $ 64,000,000
    Portable keyboards over $199     350,000 units  $123,000,000
    Total portable keyboards       1,006,000 units  $187,000,000

    (Source: NAMM)

Unit volume is high, but price and margins are razor thin. Keyboards in the “under $199” category are sold mainly in big box stores, not musical instrument retailers. So, it will be interesting to see where the new Roland keyboards are sold.

The GO:KEYS is most similar to an entry-level arranger keyboard. Estimated street price is $299. Roland is selling two models: a model with Bluetooth support and a model without. Probably depends on their ability to get RF type acceptance in a country or region. The GO:KEYS claims General MIDI 2 (GM2) support among 500 “pro-quality” sounds. The GM2 tone set consists of 256 melodic instruments and nine drum kits. I produced quite a few decent backing tracks using the Roland GM2 sound set on its RD-300GX stage piano. If Roland adopted this set, then the GO:KEYS should sound pretty decent (at least through external monitors rather than its internal speakers). No manual yet so it’s hard to say specifically what other sounds are included. Even if they recycled some chestnuts from the old JV/XP/XV, there is hope.

roland-go_keys

The Roland GO:PIANO is, ta-da, a portable piano. This product has the Yamaha Piaggero line in its cross-hairs. The estimated street price is $329. Again, no manual, so it’s hard to assess the feature set. Pricing on both products places them at the higher end of the entry-level market. The inclusion of Bluetooth support at this price point is a significant differentiator.

roland_go_piano

Both the GO:KEYS and GO:PIANO are battery powered (six AA batteries) in addition to an AC adapter. Both products use one-off fixed field LCD text and graphics like the lower cost Yamaha and Casio models. The key beds look decent, but we will have to play them in order to assess feel and quality. At least the keys are full size — not mini-keys, thank you.

If the Roland sounds are indeed up to snuff, Roland may be able to take sales away from Yamaha and Casio. Yamaha has been coasting with its entry-level sound set for over a decade and the recent PSR-E453 refresh did little to rejuvenate the entry-level segment. It will be interesting to see if Roland can win sales and spur innovation at the low end.

The GO:MIXER is positioned as an audio mixer for your mobile phone. It is USB powered, however, with no battery option. The GO:MIXER has guitar, microphone, instrument and media player inputs with associated mixing level control. There is a stereo monitor output as well as a “center cancel” feature. The estimated street price is $99USD.

roland_gomixer

Although Roland promote it for video production, I could see musicians using the GO:MIXER for a quick mix in the field. It certainly has enough inputs that a small group of pals could plug in and jam away.

FreePlay style deconstructed

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Yamaha FreePlay styles for PSR and Tyros are terrific for music without rhythm instruments and strong rubato (variation in tempo to achieve a musical or emotional effect).

I’m customizing a few FreePlay styles with the intention of using them for liturgical music. In the first pass, I’m changing the OTS voice settings and I’m making a registration that calls up my go-to voices for traditional and contemporary church music.

Of course, my curiosity took over and I had to take a look inside of a FreePlay style or two using a DAW and Michael B’s StyleDump program. I have attached a text file with my working notes. The notes may be too much detail for most readers, so here is a quick summary of what I found. I’ve looked at only two styles so far: EtherealHymn (taken from the CVP-609) and OrganPlay1 (taken from the Church Organ expansion pack).

First off, how does it sound and feel to play a FreePlay style? The accompaniment is triggered and guided by the left hand as usual. (I haven’t tried FreePlay with AI fingering, etc. yet.) The accompaniment plays a gentle pad-like chord and a simple bass. The simplicity provides a blank canvas on which you can embellish to your heart’s content.

You might guess that the MAIN and FILL IN sections are quite simple and you would be right. The MAIN sections in the OrganPlay1 and EtherealHymn styles hold notes for 8 and 32 measures, respectively. The chord source in each case is CMaj7. The BASS track holds a single note (e.g., C2) through the entire section. The chord or pad tracks hold the rest of the notes that make up the CMaj7 chord: E, G and B. Harmony-wise, that’s it!

The FILL IN sections are similar and hold notes for just one measure because FILL IN sections are only one MIDI bar long.

Without a rhythm track, those looooooooong notes have a timeless quality. A musician would rarily — if ever — hold a chord that long. Thus, MAIN sections typically do not re-trigger.

Yamaha’s genuine contribution lies in the INTRO/ENDING sections and the fun MIDI stuff that happens during the MAIN sections. The INTRO and ENDING sections have more “orchestration” and consist of style appropriate introductory and ending phrases. For my own purposes, I will probably stick to the simple INTRO A and ENDING A sections as it’s generally hard to match up more complicated musical phrases with the main theme itself.

The “MIDI stuff” must have been fun to program. The EtherealHymn style has string and choir tracks. The string track has MIDI expression data (Control Change 11 or “CC11”) that repeatedly ramps up for two measures and down for two measures. The ramp pattern creates alternating string swells up and swells down. Other control change patterns are rather unusual and I’ll leave that for you to explore with a DAW! (All you need to do is to change the “.STY” or “.FPS” extension to “.MID” and import the renamed file into a DAW.)

One could create a basic FreePlay style from scratch. The MIDI notes in the MAIN and FILL IN sections are dirt simple. The fun part would be selecting instrument voices and effects with dynamic elements that give life to the accompaniment. Then there is the creative aspect of driving the voices and effects with MIDI controller data. For INTRO and ENDING sections, a little Bach or Mozart would do.

Hmmm, sounds like a fun wintertime project!

Review: MIDIPLUS miniEngine USB

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First, I must apologize to the folks who drop in regularly to see what’s up. Between the holidays, new music, and final preparations for winter, there hasn’t been a a heck of a lot of time to blog.

That doesn’t mean that there aren’t new toys around the house!

One of these little gems is the MIDIPLUS miniEngine USB. The miniEngine is a General MIDI engine in a small blue box (approximately 3″ by 4″ by 1″). It has a bright blue three digit LED display, three buttons and a data wheel. Connectivity includes:

  • 3.5mm headphone jack
  • 3.5mm MIDI IN
  • USB Host (type A) port for MIDI-over-USB communications
  • USB mini-B connector for charging and power

The miniEngine comes with a short 5-pin DIN to 3.5mm adapter, allowing you to connect the miniEngine to a standard 5-pin MIDI OUT jack. The miniEngine has a built-in rechargeable battery (2500 mAh capacity).

miniengine

The USB Host jack should have raised your eyebrows. Most MIDI modules are USB “devices” with a type-B jack, which is intended to facilitate communication with a USB host computer.

The midiEngine is a USB HOST. That means you can connect a typical MIDI controller (with a USB type-B port) to the miniEngine and jam away. The midiEngine provides power to the MIDI controller, too! For testing, I tried the miniEngine with an M-Audio Keystation mini 32 and everything worked like a charm. I also drove the miniEngine using a Nord Electro 2 with success.

I didn’t have much success driving the miniEngine from a personal computer running Sonar. In this case, I connected the miniEngine to the PC over 5-pin MIDI. The miniEngine received MIDI data (i.e., its MIDI indicator flashes), but I wasn’t able to play back a standard MIDI file (SMF). Somewhere down the line — during the doldrums of February — I’ll try again.

So, how does it sound? Not bad! The audio output is relatively clean (no hums, pops or crackles). Some of the sounds like electric pianos, strings, and horns are quite usable. Don’t throw away your copy of Hans Zimmer Piano (211GBytes), however. As usual, a few of the voices are naff.

The three buttons choose the kind of data to be set by the wheel: VOLUME level, PROGRAM change, REVERB level. The miniEngine responds to the cooresponding MIDI messages when sent by the controller. Thus,

    miniEngine + controller = General MIDI synthesizer

The data wheel is the only downer; it feels and is pretty cheap. Otherwise, everything works as advertised.

But, wait! There’s more. While researching the miniEngine, I came across a customer comment stating that the miniEngine is based on the DREAM 2553. I pulled out a screwdriver and opened the case. Unfortunately, I’m not able to confirm that claim as I chickened out and didn’t remove the circuit board within. The data wheel is just so cheap that I didn’t want to screw up the miniEngine. (At least not yet.)

I did download the data sheet for the DREAM SAM2695 chip and tried many of the MIDI messages supported by the SAM2695. The miniEngine responded to the DREAM-specific CC80 and CC81 messages that change the REVERB and CHORUS type. So, the miniEngine is almost certainly DREAM-based. I verfied the following MIDI continuous controller (CC) messages:

    CC01 Modulation wheel
    CC07 Volume
    CC10 Pan
    CC11 Expression
    CC80 REVERB program (DREAM)
    CC81 CHORUS program (DREAM)
    CC91 Reverb send level
    CC93 Chorus send level

There are also a bunch of DREAM SysEx and NRPN messages. The NRPNs can control synthy parameters like vibrato, filter cutoff/resonance and envelope times. If you get a miniEngine, be sure to download the data sheet and try these messages!

So, hey, who are these DREAM guys? Check out the DREAM web site. DREAM design and sell DSP chips for synthesis and audio processing. They’ve been doing that since 1987. If you’re not a big hitter like Yamaha or Roland, you might turn to DREAM for a synth engine.

I got my miniEngine on an ebay close-out for $40. Prices seem to have risen to about $80 or $90. For a stand-alone MIDI expander, it’s still worth the money.

Rainy day ramblings

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A rainy New England day and the leaves and pine needles are piling up. Can’t do much of anything outdoors today, so off to GC. (Not that I really want to do yard work.)

No real agenda. I’ve been thinking about Yamaha Montage vs. Tyros 5++ vs. Nord Stage 2 ex vs. Electro 5d. That’s all “long term” as I’m having a lot of fun and staying busy with the S950 and MOX.

I really could use a “lap piano” for rehearsals. (A distant relative of “floor melodica?”) My body ached so much last Wednesday before rehearsal that even an eight pound Korg Triton Taktile was too much to schlep. So, I sang with the group, hoping to internalize the melodies of the new music for the week. This isn’t such a bad idea in any case, since it’s good form to sing along in one’s head while playing — improvisationally or not. A good reminder that, yes, hymns actually have words.

So, the issue of mini-keys rises from the grave like Joan Crawford. About one month ago, I sought and found a Yamaha Reface to try again. As it seems for most interesting music tech, one needs to drive a zillion miles or take two or more trains to find and play Reface, Montage, Korg Arp Odyssey and so forth. And thus it was to play a Reface DX. I had a fair chance to plink away and the DX provided a wide range of solid sounds. But, still, no love for the Reface mini-keys. I simply cannot imagine playing a Reface at rehearsals and even remotely enjoying the experience.

Today’s journey was inspired by a favorable review of the new Korg MicroKorg S in Sound On Sound magazine. What a pretty picture it is; Korg’s industrial design may ape Arturia, but they took the best! The review mentioned the larger mini-keys (what an oxymoron!) of the Microkorg XL+ and I decided to find a comparably equipped Korg.

Happily, today’s trial was the Minilogue, which proved to be a fun time indeed. It’s got a pretty sweet sound for an inexpensive polyphonic analog synth. With the right programming, I could even warp the Minilogue into a “lap piano” good enough for rehearsals. A built-in speaker a la the new Microkorg S would be nice. However, I could easily run it into the JBL Charge 2 that serves as the battery-powered amplifier for the Triton Taktile 49 (my usual rehearsal ax). It’s a shame that the Minilogue isn’t battery powered, too, as it would make a terrific portable instrument.

The Minilogue’s oscilloscope is a real treat and is totally entertaining. It’s also a reminder that I need to add a mini-/micro-oscilloscope to the dining room lab one of these days. The oscilloscope display is a small OLED screen much like the screen in the Triton Taktile.

The Minilogue’s keys are far more playable than the Reface. The keys are longer than typical mini-keys and the black keys (sharps and flats) are narrow. This combination makes for a surprisingly effective keyboard design. I wouldn’t want to play a gig with these, but they are suitable for plinking out melodies and such at rehearsal. (See this article at Synthtopia for a good analysis of the Minilogue’s key size.) Several other Korgs have the same key design: the Korg Arp Odyssey and the “Natural Touch” microKEY, to name two.

I’ll say this for Korg. They may miss the mark sometimes, but these folks are actively innovating at a fast pace!

After messing with the Minilogue, I revisited the Nord Stage 2 ex. This is a fine instrument and is in the same premium range as the Yamaha Montage. Having also revisited the Montage in recent weeks, the Nord’s string and woodwind voices just don’t come up to the same level as Montage. The Montage voices live and breath. Although the Nord is quite good, these voices sound like “sample playback.” Kudos to Yamaha.

I will have more to say about Montage in a forthcoming post. In short, is it time to spring for Montage or wait for the successor to the Tyros 5 (“Tyros++”)?

Time for a cuppa…

Dr. Synth and the SC-33: An appreciation

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Every now and again, we poke around in the closet and rediscover a lost gem.

So it is with the Boss DS-330 Dr. Synth. The DS-330 dates back to 1994 (!) and is an almost (maybe) GS-compatible Sound Canvas. It is the smaller brother to the Roland SC-33 Sound Canvas which is GS-compatible. The SC-33 has the same sound set as the SC-55mkII (226 tones) while the DS-330 has a subset (156 tones depending on who is counting.)

I fell so hard for the DS-330, again, that I bought a second hand SC-33. The SC-33 is little bit beat, but I intend to use it with my Nord Electro 2. I won’t have any qualms about dropping it into my gig bag.

roland_sc33_e2

Neither the DS-330 or SC-33 will win any awards for sound quality based on modern standards. The sample format is 16-bit 32KHz and the wave ROM size is 2MBytes. That’s right, 2MBytes. However, both machines are good General MIDI playback devices and quite a few of the preset voices are decent enough to play live, especially when they are layered and tweaked.

With old gear, there are always a few compatibility issues. When I drive the modules from a Triton Taktile 49, I get the occasional “MIDI Off Line” error. From the circumstances, I think this is due to incorrect handling of MIDI running status. No problems with Cubase, a Roland SK88Pro or the Nord, however.

The DS-330 and SC-33 share a common physical package and user interface design. And therein are the jewels.

Both units are about 8.5 inches wide and 6.5 inches deep. They sit flat with the display, buttons and volume control on the top, unlike the half-rack form factor and mounting style of virtually all other tone modules. This means that you can set the DS-330 or SC-33 on an open spot on a keyboard (controller) and easily hit the buttons while performing. (Please click on images to get higher resolution.)

roland_ds330

Good Golly, how I wish that manufacturers would adopt this form factor again! I’d love to see a Reface in this physical package. I would also love to see a decent ROMpler in this format, too, as an expansion module for digital pianos and B-3 clones.

Software-wise, the user interface has two major modes: single play mode and multi mode. Multi mode is for sequencing and since I’m pitching the module for live performance, I’ll concentrate on single play mode.

Once you’re in single play mode, navigation is a breeze. Menus are triggered by dedicated buttons and the menus are not super deep or long. Roland also thoughtfully provided a BWD button to move backwards within a menu. Ever skip over the menu item you wanted and had to do a “go round?”

The best part of the overall UI design is the sixteen buttons/pads that select tones. A button selects a tone category and a favorite tone within the category which the user has “registered.” That may sound complicated, but it is very natural. All you need to do to register a tone is to hit the catgeory button after selecting the tone. There isn’t any explicit WRITE or STORE operation; the software automatically captures any changes and updates the internal parameter memory. (Like many devices from that era, parameter memory is battery powered, not flash.) The closest thing to WRITE or STORE is the simple act of leaving a menu by way of the EXIT button. That’s it.

Tones can be layered (DUAL) or split (SPLIT). Splits and layers are insanely easy to create and edit. All editable parameters, split status/level, dual status/level and more are saved with each of the tones. You never have to think about the separate concept of a user performance memory or whatever. The parameters are just part of the tone and selecting a tone recalls the last saved edit.

Single play mode has a DRUM submode. When in this mode, the 16 buttons are now pads that play drum sounds from the selected kit. Sorry, no velocity sensitivity since this is 1994!

These little boxes were thought out very well. If you’re a manufacturer and looking to build and sell a piano-top (clone-top, whatever) module, here’s your exemplar!