Czech jazz combo. Formed in early 1958 in Prague. Incorporated into the [a=Czechoslovak Radio Dance Orchestra] in 1960 as its rhythm section. Disbanded in 1961. Evolved into [a=Jazzové studio] and [a=SHQ]. Members: Karel Velebný (vibraphone, tenor sax), Jan Konopásek (baritone sax, flute), Vladimír Tomek (guitar), Luděk Hulan (double bass), Ivan Dominák (drums), since 1959 also Artur Holitzer (valve trombone, bass trumpet).