Saga formed in 1977 in Oakville, Ontario. Jim Crichton and Michael Sadler have been the principal songwriters for Saga. Ian Crichton is the band's guitarist and these 3 are the members most identified with the band havng been there since the beginning aside from Sadler's absence from the 2008 album, The Human Condition have been on every release;
Though not present on the group's first two albums, current keyboardist Jim Gilmour has been with the band since 1979. He departed from the band in 1986, returned later in 1992, and has remained in the group since then.