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. There is a free lite version or you can buy a full version. Some features are: Downmixing to AIFF file. Receives MIDI notes through camd.librar. yMixer unit with non-linear volume/panning controls and peak meters. 16 different instruments at once, Look on the web page for more information.