Substance Volume 1 Free is an expansion pack of all new sounds and samples for Caustic 2 and 3. You must have Caustic version 2 or 3 installed to use this. Contained within are 3 full Beatbox kits (21 drum samples) and 15 PCMsynth presets. This Free pack is a taster for Substance Volume 1, now available in Android Market. The Substance Volume 1 expansion pack contains an -additional- 7 Beatbox kits (64 drum samples) and 47 PCMsynth presets. Created by Audiovapor. ------------------------ keywords: caustic content pack