Pro-rock
years active: 1977 - 1980
backing band of Petra Janu, founded for her by Ota Petrina; the same musicians also served as studio backing band for C&K Vocal, Helena Arnetova or Petřina himself under different names (O.Petrina Studio Band, Super-robot)
Members:
Vladimir Cech "Vlado" (1977-1977) , drums
Vladimir Padrunek (1977-1978) , bass guitar
Anatoli Kohout "Tolja" (1977-1978) , drums
Otakar Petrina (1977-1980) , guitars, synthesizers
Petra Janu "vl.jm. Jana Petru" (1977-1980) , vocal
Jan Kubik (1978-1978) , saxophones
Jiri Tomek (1978-1978) , percussion
Jan Neckar (1978-1978) , synthesizers
Lubor Sonka (1978-1979) , keyboards
Petr Petrasek (1979-1980) , drums
Alexandr Cihar "Lexa" (1979-1980) , bass guitar
Jiri Kales (1979-1980) , guitars
Jan Reiner (1979-1980) , guitars
Alexander Cihak (1979-1980)
Discography:
SP / EP:
Akce zenich se odklada / Dvacate stoleti ( Janu, Petra ) , Supraphon 1977
Kondiciogram / Tisic stran formatu A1 ( Janu, Petra ) , Supraphon 1977
To je spravne / Prima typ ( Janu, Petra ) , Supraphon 1977
Hrajte stary rokenrol / To ty nejsi ( Janu, Petra ) , Supraphon 1978
Mela na ocich bryle / Motorest ( Zich, Karel ) , Supraphon 1978
participation:
Motorest ( Janu, Petra ) , Supraphon 1978 , 
Exploduj! ( Explode! ) ( Janu, Petra ) , Supraphon 1980 , 