audio\        Audio utilities unlike modplayers and trackers
c_labs\       Sound Blaster (and Pro, 16, AWE32) support, utilities and drivers
drivers\      Driver software for other sound cards
gravis\       Gravis UltraSound utilities, drivers, patches, and players
modplay\      Mod players, sound trackers and related utilities
program\      Source code for sound programming
utility\      Little help utilities for sound work