Vactrol-based VCAs, based on Korg MS-50 and Buchla 227 circuits: http://www.youtube.com/watch?v=BXXfukCGn4k Memorymoog VCF/VCA: http://www.youtube.com/watch?v=T1aTKvdcZMQ - Aaron P.S. Again, sorry for the clipping on my voice