Phonolith is a software instrument, which plays sampled waveforms. It's usable with Horny and other CAMD based sequencers, or just a connected MIDI keyboard. Some of the features are: Receives MIDI notes through camd.library, Mixer unit with volume controls and peak meters, 16 different instruments at once, ADSR amp envelope for each instrument, Unlimited number of samples for each instrument. You can try the lite version for free. This program is made for AmigaOS 4.x.