Master Audio 2.2 has been submitted to the Asset Store. New features are: 1) Added more ducking control. Ability to set the % of clip at which the volume starting unducking (returning to normal volume). 2) Added volume sliders for each Sound group's variations all on the Group inspector for quick adjustment. 3) Added playlist functionality to Master Audio, with random, auto advance, loop, cross-fading and the ability to call them from code. I'll let you know when the changes are live. Let me know what else you'd like to see!