Abacus

Melbourne based Rock band from 1970 - 1971



Abacus has 8 known members

Name Instruments Period
Colin Grant Lead Vocals 1970 - 1971
Graham Dean Guitar 1970 - 1971
Vince O'Rorchy Guitar 1970 - 1971
Graham Kennedy Guitar 1970 - 1971
Mick Rohotas Mick Rohotas Guitar 1970 - 1971
Mark Madafferi Bass 1970 - 1971
Peter Madafferi Drums 1970 - 1971
Rick Dean Organ 1970 - 1971