Category Archives: GMS

The GMS (Gestural Music Sequencer), written in Processing.org by Unearthed Music recording artist and AudioCookbook.org founder John Keston, analyzes video input and converts it into a sequence of musical information in real-time. Each frame is processed to find the brightest pixel. The x coordinate is converted into pitch while the y coordinate is translated into dynamics. The application was also designed to use probability distributions on pitch and durations.

GMS Practice Phrases Combined

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Here’s a mix of the four previous practice phrases combined. The GMS preset that I programmed and used to create the phrases reined them all into the same general tonal center (basically harmonic minor). Imagine something like this with expertly played live drums and you’ll have a pretty good idea of what the Ostracon show sounded like last night.

GMS Practice Phrases Combined

GMS Practice Phrase #4

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Here’s another phrase from my practice session prior to Wednesday’s performance. This sound was made with a monophonic patch I programmed for leads. I routed the GMS to the MKS-80 and recorded a MIDI loop so that notes were purposefully overlapping. Next I let that record while adjusting various parameters on the synth.

GMS Practice Phrase 4

Ostracon Release Show Segment 2

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This ethereal segment from the Ostracon release show contains a combination of an evolving pad with a bouncy arpeggiated line that were both produced during the performance on the Roland MKS-80 driven by GMS.

Ostracon Release Show Segment 2

Unauthorized Modifications Reviewed on Reviler.org

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The debut Ostracon album, Unauthorized Modifications, that we release last week has been reviewed quite favorably on the popular music blog, Reviler.org. Click the link for details. Here’s another sample of music from our release show last Friday.

Ostracon Release Show Segment 1