In particular, both the DXi and VST versions allow you to play the entire Virtual Sound Canvas collection of sounds in real time from your controller keyboard while playing/recording through compatible software, such as Cakewalk SONAR or Cubase VST. The VSC-MP1 package offers the Virtual Sound Canvas software synthesiser available in 3 compatible formats, Direct X instrument (DXi), VST instrument, and stand-alone application (driver version).
The VSC, Virtual Sound Canvas, is a software sound module that provides a complete General MIDI 2 and Roland GS sound set of MIDI instruments to be used on your PC (Windows XP, 2000, Me, 98) or Mac (9.x).