Ostracon Video

Ostracon Video from Unearthed Music on Vimeo.

"Shot by Ai student Josh Clos. Recorded and mixed at Ai Minnesota by John Keston and Graham O'Brien.

Ostracon is John Keston on electronics and Graham O'Brien on drums. The duo performs generative, improvisational compositions using John Keston's custom software, the GMS (Gestural Music Sequencer), that converts video input into musical phrases. Keston captures, layers, loops and processes melodic segments in real-time out of the stream of notes created by his gestural input, tailored with probability distribution algorithms. O'Brien accompanies these angular, electronic structures, with dynamic playing that, at times, verges on the chaotic."

ROLAND PG-1000 with Braille

flickr by TheSynthFreq

"Here is my modified Roland PG-1000 with Braille labels. I use Braille since large print modifications would not fit in the small spaces on the programmer."

Roland TR-909 Drum Machine

via this auction

Roland TR-808 with Protective Overlay Sheet

via this auction

Roland TR-909 w/ Modded Bass Drum

via this auction
"The bass drum has been modded with the Colin Fraser mods which include the following:

EXISTING CONTROLS:
Tune – Extended control over the decay time of the falling pitch envelope.
Decay – Extended control over the length of the bass drum allowing TR-808 like booming kicks.

NEW CONTROLS:
Pitch – Controls the frequency of the bass drum oscillator.
Drive – Allows waveform adjust from normal to square, for hard clipped sounds.
Tune Depth – Varies the amount of initial pitch sweep (decay set by Tune control)."

There's an audio demo at the auction while up.

Korg KPR-77 Programmable Rhythm drum machine

via this auction

"1982 Korg KPR-77 Programmable Rhythm drum machine."

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VINTAGE KORG MS-04 SYNTHESIZER PITCH/MODULATION PEDAL

via this auction
"The MS-04 was made to provide extra pitch bending and modulation sources to their MS line of synthesizers. You just patched the pedal into those synths and it greatly enhanced their options.

But you can use it on any CV controllable synthesizer (with attenuation.) It's main home was my Octave Cat SRM but I've used it with my Roland SH-09 as well. A cool thing too is that you can use the square wave to trigger events or as a clock for CV sequencers. Why would I do that? Well as I said at one point I didn't have the modular I do now. Waves on the LFO are square, triangle, random and the ultra-cool Glissando. Keep the glissando low for staircase effect, crank it up to thicken your sound and add some life to it.

You can send the signal to two options at once. Like your VCF and VCO. Using either the x1 or the x4 depending on the range. And you can select for each output LFO, BENDER or my fave LFO+BENDER."

You can find the manual here.

Roland SH-7

via this auction

"Roland SH-7 - Roland's flagship monosynth. Mid range serial number with first revision oscillators and keyboard circuitry. The original silver/black rotary controls have all been replaced with high quality collet knobs. Note the 'one note - two note' switch that allows the SH-7 to be used duophonically. The original rotary knobs were designed to fit 6mm knurled shafts and the new rotary switches I fitted have a much smaller 1/8" shaft so new knobs had to found. These new knobs are aesthetically pleasing and have a good grip. The original smaller white slider caps on the five footage sliders have also been replaced with new Technology Transplant clones of the wider caps used in the rest of the instrument. A close up of the twin VCO section showing the new knobs and the state of the front panel. Some paint has been chipped off in places. The rear panel of the SH-7 showing the ample CV/gate and audio I/O. Twin ADSRs and a good collection of filter modulation inputs make this an excellent monosynth."

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Rob Hordijk demonstrating his 5u modules

YouTube via jenamu6 — June 13, 2010 — "Dutch modular synth designer, Rob Hordijk is demonstrating some of his new modules in 5u format, at the mono-poly studio.

He's using one of his VCO's with builtin VCA and a envelope generator.

In front you can see de Benjolin"

Biscuit, Kaossilator Pro, Sleepdrone, Restyler, Filterbank...

via Zn'shñ where you'll find the details.