Czech psychedelic rock group from Prague. Formed in 1965 as Primitivové, renamed in spring 1967, active until 1969. Reunited in 2016.

Recent line-up:
Ivan Hajniš - vocals, harmonica
Zdeněk Burda - kytara, former member
Jarda Šantrůček - keyboards
Martin Bergman - bass guitar
Josef Havlíček - drums
guest member: Arturo Soriano - flute, saxophone

Original members: Ivan Hajniš (vocals), Josef Janíček (guitar), Ivan Pešl (bass guitar), Ludvík Šíma (drums), Eugen Fiala (manager, “artistic leader”); also Pavel Pešta (bass guitar), Jaroslav Erno Šedivý (drums), František Mašek, Karel Černý and Jaroslav Křtěn (guitar).
No professional recordings were produced during the 1960s due to absence of any original material; the group was performing only cover versions of songs by The Doors, The Fugs, The Pretty Things, The Jimi Hendrix Experience, The Animals, The Mothers Of Invention or The Velvet Underground.