The science of how DJ's mix seamlessly so that we can dance through tune transitions PlayFull TranscriptDownload Ever been on the dance floor, getting your groove on, enjoying a particular tune, and then the DJ flips the song over, and it completely messes up your dancing moves? I have! Then there's been other times when I haven't even noticed the tune changing But what's the science behind this DJ skill? Well, Mark Elliott, Research Fellow at Birmingham University thinks he's found the answer.