Abacus
Abacus has 8 known members
Colin Grant
Lead Vocals 1970 - 1971 More...
Graham Dean
Guitar 1970 - 1971 More...
Vince O'Rorchy
Guitar 1970 - 1971 More...
Graham Kennedy
Guitar 1970 - 1971 More...
![Mick Rohotas](https://res.cloudinary.com/he5wbsfbc/image/upload/bo_2px_solid_gray,c_thumb,g_face,h_180,w_320/v1389681205/hzu9yamirhgv21gd4zo2.jpg)
Mick Rohotas
Guitar 1970 - 1971 More...
Mark Madafferi
Bass 1970 - 1971 More...
Peter Madafferi
Drums 1970 - 1971 More...