Effective period / Period of releases: 1973 - 1980

Members: Mike Rudd, Bill Putt, Glyn Mason, Harvey James, Tim Gaze (2), Tony Slavich, Iain McLennan, Nigel Macara, John Lee (20), John Mills (10)

Ariel was an Australian progressive rock band fronted by Mike Rudd and Bill Putt, who formed the band in 1973 after the breakup of their previous group Spectrum.

● Mike Rudd − guitar, harmonica, vocals (1973−8/1977, ex-Spectrum (16))
● Tim Gaze (2) − guitar, vocals (1973−4/1974, ex-Kahvas Jute, Tamam Shud)
● Harvey James − guitar (8/1974−3/1976)
● Glyn Mason − guitar, vocals (1/1975−8/1977, ex-Chain (4), Jeff St John's Copperwine, Home (14))
● John Mills (10) − keyboards (1973−4/1974, ex-Spectrum (16))
● Tony Slavich − keyboards, vocals (1976−8/1977, ex-Richard Clapton Band)
● Bill Putt − bass (1973−8/1977, ex-Spectrum (16))
● Nigel Macara − drums (1973−4/1974, 4-10/1976, ex-Tamam Shud)
● John Lee (20) − drums (4/1974−4/1976)
● Iain McLennan − drums (10/1976−8/1977, ex-Richard Clapton Band)