Effective period / Period of releases: 1973 - 1975

Members: Oliver Mandić, Vidoja Božinović, Robert Nemeček, Dušan Petrović, Mihajlo Popović, Zoran Božinović, Dušan Đukić, Sava Bojić, Raša Đelmaš

Serbian prog-rock / hard rock band from Belgrade, active in period 1972-1977 in former Yugoslavia. In 1980 three 'Pop Mašina' members formed Rok Mašina.
Members were:
Robert Nemeček - vocals, bass, acoustic guitar (1972-1976)
Zoran Božinović - vocals, guitar
Raša Đelmaš - drums (1972)
Sava Bojić - guitar, vocals (1972)
Mihajlo Bata Popović - drums, congas (autumn 1972-1976)
Oliver Mandić - keyboards (1975)
Dušan Petrović Duda - bass (from 1976)
Dušan Đukić Đuka - drums (from 1976)
Vidoje Božinović Džindžer - guitar (from 1976)