"[Replacing original M-121 cirquitry with MS20 + Polivoks VCF clones.]"more info
via Svenn
EVERYTHING SYNTH
via Aliens Project where you will find a link to more. There are some great shots in the set, so be sure to check these out. The link is under this image when you get there.
"SPEAR is an application for audio analysis, editing and synthesis. The analysis procedure (which is based on the traditional McAulay-Quatieri technique) attempts to represent a sound with many individual sinusoidal tracks (partials), each corresponding to a single sinusoidal wave with time varying frequency and amplitude.