The world's most sampled song
21 February 2014 Last updated at 10:28 GMT
Change the Beat by Fab 5 Freddy has topped a list of the world's most sampled songs, compiled by the website WhoSampled.
DJ Roger Johnson told the Today programme the "iconic track" has featured as a scratch sample on songs by everyone from Paul Hardcastle to Justin Bieber.
First broadcast on BBC Radio 4's Today programme on Friday 21 February.