Bob Daisley
"Mr. Crowley" is a song by British heavy metal vocalist Ozzy Osbourne about English occultist Aleister Crowley. It was first released on Osbourne's debut solo album "Blizzard of Ozz" in September 1980 in the United Kingdom, and then a live version of the song was released as a single in November 1980. The song was written by Osbourne, guitarist Randy Rhoads, and bass guitarist/lyricist Bob Daisley.