MATRIXSYNTH: OB-6: "Six by Eighteen" (Full 6-Voice Polyphony)

Wednesday, September 25, 2019

OB-6: "Six by Eighteen" (Full 6-Voice Polyphony)


Published on Sep 25, 2019 Kris Lennox

"I tried to kill my OB-6. Dave & Tom won. I know when to wave the white flag, so I'm waving the white flag. Given the OB-6 is a 6-voice synth, I thought I'd push this to the absolute maximum by writing a piece with 6 fully independent lines (an interesting composition challenge in itself i.e 6 people having a conversation at the same time, yet making sense!).

I thought a small puff of smoke would emanate from the OB-6, and that would be the end of it. But no - the OB-6 won the battle.

Seriously - what an instrument. There's no voice stealing whatsoever. Dave, Tom - well done. Well done indeed!

Voice stealing would be obvious in this piece. As there are no breaks in the melodic lines, a voice drop would kill the piece/line. But the Obi didn't even flinch. This piece on the OB-6 is surely testament to the programming/design abilities and talents of Dave & team. Well done guys. Brilliant.

I've uploaded the piano version with score so you can see/follow the melodic lines (and see what the OB-6 is having to deal with in real-time i.e all parts of the score).

Over the weekend I plan on recording each line on a different synth, and creating a different timbre. This will allow for greater voice separation/clarity. Should be a fun little project. Once I upload the 6-synth version, I'll make the score/MIDI available.

RE the time signature (18/16): if you held a gun to my head and forced me to confess my favourite non-prime time signature, in a panic I'd likely say 18/16. Great meter.

The keen eye will notice polyrhythms towards the end (i.e 9:4). Very interesting. Polymetric writing also occurs throughout.

Keen number theorist types will also have noticed that all three versions total 18 minutes. I do like a good structure within a structure. 'Structure sandwiches' haha.

Must lie down. The Obi defeated me/didn't die when I tried to kill it. Brilliant synth (I genuinely didn't know if it would freeze/crash with a piece such as this).

All best
Kris"

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