Czech rock group, formed in the late 1960s in Prague by Pavel Dydovič with Petr Kocfelda. Involuntarily renamed to “Orchestrion” in 1972; their biggest hit “Bláznova ukolébavka” was reissued under this name in the 1980s. Original members: Pavel Dydovič (lead vocals, guitar), Petr Kocfelda (bass guitar), Jan Adamčík (guitar), Ivan Moravec (drums).