Saga are a Canadian rock band, formed in Oakville, Ontario. Jim Crichton and Welsh-born vocalist Michael Sadler have been the principal songwriters for Saga. Ian Crichton is the band's guitarist; apart from his work with Saga, he has recorded several solo albums as well as sessions with Asia. The band's keyboardist, Scottish-born Jim "Daryl" Gilmour, joined Saga in December 1979 after Greg Chadd left the band in August 1979. The Security of Illusion is the ninth studio album by Saga, originally released in 1993. The album marks the return of keyboardist Jim Gilmour and drummer Steve Negus, both of whom left the band in 1986 due to management concerns.