My ears may be deceiving me, but I swear that the version of Ike Strong - Your Love Keeps me Dancing that Butch is playing is slightly different that the Marble 7inch.   It sounds almost identical, except the main break of "music...disco....music" (that is repeated in the breaks a few times during the song after "your love keeps me dancing") is, in the version he is playing, saying "music...funky....music"   While I would normally chalk this down to having one too many on