Patent ID: 8311656

Claim:
A music and audio playback system, comprising: a playback engine for playing audio data according to control information, wherein the control information includes one or more parameters affecting playback of the audio; at least two deck modules, each deck module enabling a user to select a current audio file to provide audio data to the playback engine; a module for mixing audio data from the at least two deck modules; a sampler module for identifying one or more samples, and for designating at least one sample as a scratching file; and a memory for storing values of the one or more parameters that define a snapshot, wherein the snapshot can be recalled and applied by activating a single control, and wherein the playback engine enables the user to play audio data according to one or more deck controls, wherein each deck control is defined by one or more deck control parameters, and wherein the snapshot includes values of at least one deck control parameter that controls playback speed of the audio data.