George McCrae - Rock Your Baby (1974) “Rock Your Baby” is the debut single by American singer George McCrae. Written and produced by #HarryWayneCasey and #RichardFinch of KC and the Sunshine Band, “Rock Your Baby” became an early landmark recording of disco. It was the only international hit for McCrae. The song spent two weeks at number one on the Billboard Hot 100 in July 1974, and three weeks at number one on the UK Singles Chart that same month. The backing track was recorded in 45 minutes a