<p>The present invention provides a music playback and manipulation system for generating audio playback of digital musical comprising; a user control device having an external memory interface for providing access to random access memory and read only memory, a mass storage host controller for providing access to and control of data from, a user controller interface and an audio subsystem interface; a mass storage device for storing a plurality of audio files; and a user control device for varying playback parameters of said audio files.</p>