Graham Bonnet (born 23 December 1947) is an English rock singer and songwriter. He has recorded and performed as a solo artist and as a member of several hard rock and heavy metal bands including Rainbow, the Michael Schenker Group, Alcatrazz, and Impellitteri. He claims he is a self-taught singer as he had no discipline for lessons. His voice is known for being powerful but also capable of signing soft melodies and has been noted very loud' by both his contemporaries and himself.