MATRIXSYNTH

Roland SH-3A Analog Synthesizer

via this auction

Vintage Syndrum Drum Synthesizer

via this auction

"Syndrum Model 178 drum synthesizer, with a drum pad trigger."

YouTube via rezzn8r
"Using the IF beam from the nightvision feature on my video camera to stimulate the primary photocell on the Thingamakit. Output through Moog Phaser and Delay.
I can't help but think of Heisenberg's Uncertainty Principle and the Observer effect ;)"

Circle Synth

YouTube via Mahto
"This is a circular controller for a synthesizer, using the openCV visualization library to analyze a series of points on a rotating wheel, and generate MIDI events. For more details, see:
http://www.cibomahto.com/2009/07/spin..."

Korg microKORG XL Official Product Introduction

YouTube via KorgUSAVideos
"Korg presents the microKORG XL Synthesizer/Vocoder! Features include Korg's powerful MMT synthesis, 37 velocity-sensitive mini keys, 16-band vocoder with included metal gooseneck mic, and HUGE sound. Visit http://www.korg.com/microkorgxl for more!"

Roland U-220 Factory ROM Play Demo Songs

YouTube via zibbybone
""Highlander", music by Marvin Sanders, 1989
"U Might Be The 1", music by Eric Persing, 1989

About the composers (from U-220 Owner's Manual, 1989):

Marvin Sanders is an accomplished composer / keyboardist and authority on creative sequencing applications. An active musical director and composer for film, tlevision, and theater, he lives in Los Angeles where his talents are utilized in studios and live perforance. As a product specialist and clinician for the Roland Corporation have included the "Cityslicker" ROM demo in the D-5 and programming for the TN Series Style cards.

Eric Persing is one of the most in demand session players and programmers in the Los Angeles area. Eric began working for Roland as a product specialist, first doing clinics and support, then gradually became more involved in product and sound design. Eric has worked with such artists as Micheal Jackson, Denise Williams, Lionel Richie, Larry Carlton, and REO Speedwagon. His music and sounds can also be heard on many TV shows annd commercials. Actively involved in film music, he has worked with top composers including Michael Coulmbier, Danny Elfman and Bill Conti."

Update via Zero:
"Eric Persing, as most know, is the Spectrasonics guy. Marvin also did a stint at Keyboard Magazine"

Custom Korg MS-20 on ebay

YouTube via RedDevilfish303. via this auction

Sequential Circuits Prophet 600 Analog Synth

YouTube via daveparry
"I wrote this song today to demonstrate the P600. Dave Smith founded Sequential Circuits in the 1970s and he also invented midi in 1982. The Prophet 600 was the 1st synth to have midi.

Yamaha MM6 - bass and rythm
Prophet 600 - everything else, outboard reverbs and delays were used occasionally
Mixed on a Behringer Xenex 1002FX
Multi tracked on a Fostex MR-8
Pictures from Hubble"