Orchestr Gros
active from year 1971
backing orchestra of Semafor Theatre, Prague, founded by guitarists of F.R.Cech's band Shut Up, Jiri Kales and Jan Reiner. The name is an acronym of the two popular comedians of Semafor Theatre, Jiri Grossmann and Miloslav Simek.
Members:
Jiri Kales (1971-1973)
Jan Reiner (1971-1973)
Miloslav Ruzek (since 1975) , leader
Karel Hosek "Bongo"
Discography:
SP / EP:
Krajem ja sel / Dik za vas usmev ( Bobek, Pavel ) , Supraphon 1972
Kabaret / Parta snu ( Palecek a Janik ) , Supraphon 1975
Nadherna krasko / Zkus se zivotu dal smat ( Bobek, Pavel ) , Panton 1980 , 

participation:
Gong 7 , Panton 1980