For composing a mix with minimum expenditure of time the xr20 is equipped with standard and electronic drum sound single one shot hit samples as well as bass and synth patches over 700 pre configured sounds and an in built effect unit is equipped with reverb eq and compressor which take full control of the beat production if the xr20 consists of an additional microphone input rap and other vocals with the same pattern can be mixed together the background lighted pads gives a visual feedb