DJ and producer Prime Cuts from the Scratch Perverts explains why he's using a new music format called Stems, which has been developed by Native Instruments.

Stems software splits a track into four separate musical elements: drums, bass line, melody and vocals.

Prime Cuts tells BBC Click's LJ Rich that rather than making life easier for a DJ, the creative options the format brings are 'vast'.

More at BBC.com/Click and @BBCClick.