Ungrateful Jed: Envelope controlled filter

Wurlitzer model 145 electric piano through a Sony MX12 mixer to pad down the output for a Boss RC-1 Loop Station. Vintage Sears Silvertone electric guitar through a SoaringTortoise Tortron Gamma enevelope controlled filter. The piano and guitar are both being played through a Leslie model 705 Roto-Sonic rotating speaker miked with a pair of AKG C451 EB condenser microphones.