http://www.macnn.com/articles/01/02/04/bitzhead.adds/
Bitzhead adds direct USB support
updated 04:05 am EST, Sun February 4, 2001
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Bitzhead last week posted an update to its software analog synthesizer for the Mac, Retro AS-1 2.1.1 and its software sampler, Unity DS-1 2.1.1--both of which add direct USB support for Roland PC 300 USB MIDI keyboard. (Version 2.1 of each application added multiprocessor support for dual processor G4 machines.)
