Michael Jackson ft. Justin Bieber must be the least likely musical pairing in the history of forever, therefore the law of the music industry dictates that it must exist. Lo and behold, it does, in the form of the track Slave to The Rhythm. In true Bieber fashion, the teenage popstar took to Twitter to tease the record, saying: Michael Jackson ft. Justin Bieber must be the least likely musical pairing in the history of forever, therefore the law of the music industry dictates that it must exist. Lo and behold, it does, in the form of the track Slave to The Rhythm. In true Bieber fashion, the teenage popstar took to Twitter to tease the record, saying: