I've never had the chance to use this so I'll quote from the ad in Rainbow.
Studio Works is a digital sampler that delivers what other systems promise. Full point and click operation. 56 (512k CoCo 3 only) samples in memory at once; edit TWO samples at once with either of TWO audio clipboards. Functions include: reverse, delete, copy, volume control, play block; sequencer; envelope shape, key-play, play-through, looping, file compression, 5.19-17.05 kHz record rate, BASIC driver program and more! Comes with or without required cable.