floorfiller has to be oops upside your head think it was the gap band always gets em on the dancefloor best part is at the end and watch the drunk ones trying to get up lol
I don't know if it qualifies as THE MOST, but I recently had a listen to Cornership's Brimful of Asha for the first time in donkeys' years (does it qualify as dance under the Fatboy Slim remix?) and was verging on scandalised by how zippy it made me feel.