Rainbow were a hard rock and heavy metal band formed by former Deep Purple guitarist Ritchie Blackmore in 1975. In addition to Blackmore, the band originally consisted of former Elf members; lead singer Ronnie James Dio (later to join Black Sabbath), keyboardist Mickey Lee Soule, bassist Craig Gruber, and drummer Gary Driscoll. Over the years Rainbow went through many lineup changes.

Rainbow was Ranked No.90 on VH1's 100 Greatest Artists of Hard Rock