(4/1969–4/1973, 1999–present) Broc O'Connor – bass guitar (2013–present) Peter 'Robbo' Robertson – drums, percussion (1999–present) Daryl Roberts – keyboards (1999–present) Former Bill Putt – bass (4/1969–4/1973, 1999–2013; died 2013) Lee Neale – keyboards, backing vocals (4/1969–9/1972; died 2019) Mark Kennedy – drums (4/1969–8/1970) Ray Arnott – drums, backing vocals (8/1970–4/1973) John Mills – keyboards (9/1972–4/1973) Timeline Discography Studio albums Live albums Compilation albums {| class="wikitable plainrowheaders" style="text-align:center;" border="1" |+ List of compilation albums ! Title ! Album details |- ! scope="row" | Red.Orange.Yellow.Green.Blue.Indigo.Violet (credited to Spectrum and Indelible Murtceps) | Released: 1984 Format: CD, LP, cassette Label: EMI Music (EME.1100) |- ! scope="row" | Ghosts: Post-Terminal Reflections''' (credited to Spectrum and Murtceps) | Released: 1991 Format: CD, LP, cassette Label: Raven (RVCD-18) |} Extended plays Singles See also Indelible Murtceps Ariel (band) Awards and nominations Go-Set Pop Poll The Go-Set Pop Poll was coordinated by teen-oriented pop music newspaper, Go-Set and was established in February 1966 and conducted an annual poll during 1966 to 1972 of its readers to determine the most popular personalities. |- | rowspan="3"| 1971 | themselves | Best Group | 5th |- | Spectrum Part One| Best Australian Album | 5th |- | "I'll Be Gone" | Best Australian Single | 5th |- | rowspan="2"| 1972 | themselves | Best Group | 4th |- | Milesago'' | Best Australian Album | 4th |- References External links MikeRuddBillPutt.com "Spectrum – Mike Rudd and Bill Putt's story and music" at www.abc.net.au Spectrum / Indelible Murtceps at MilesAgo.com (Australasian Music & Popular Culture 1964-1975) Spectrum biography by Ed Nimmervoll, discography and album reviews, credits & releases at AllMusic Spectrum discography, album releases & credits at Discogs Spectrum / Indelible Murtceps albums to be listened on YouTube APRA Award winners Musical groups established in 1969 Musical groups disestablished in 1973 Musical groups reestablished in 1999 Victoria (Australia) musical groups Australian progressive rock groups Australian psychedelic rock music groups