Czech rock group from Prague. Formed in 1963 after the breakup of “Karkulka”. Apart from their resident stage at club “Olympik”, they also performed as a house band of the Semafor Theatre Prague, where they premiered in the “Ondráš podotýká” music show on 11 November 1963. They debuted on 7 vinyl in 1964 as a studio backing band for Karel Gott and Yvonne Přenosilová, albeit uncredited.
Initially led by Karel Mareš, briefly by Miloslav Růžek, and since 1965 by Petr Janda. During their stay in France 1968–1969 they were recording as the “Five Travellers”.
Still actively performing as of 2017.

1963–1965:
Karel Mareš - leader, manager
Petr Janda - lead guitar
Miroslav Berka - keyboards
Pavel Chrastina - bass guitar
František Ringo Čech - drums
Miloslav Růžek - saxophone
Jaromír Klempíř - keyboards
Jiří Laurent - guitar
Miki Volek - lead vocals
Pavel Bobek - lead vocals
Yvonne Přenosilová - lead vocals
Pavel Šváb - lead vocals
Josef Laufer - lead vocals

1965:
Petr Janda - lead guitar, vocals
Miroslav Berka - keyboards
Pavel Chrastina - bass guitar, vocals
Ladislav Klein - rhythm guitar, vocals
František Ringo Čech - drums
Miki Volek - occasional lead vocals

1966–1969:
Petr Janda - lead guitar, vocals
Miroslav Berka - keyboards
Pavel Chrastina - bass guitar, vocals
Ladislav Klein - rhythm guitar, vocals
Jan Antonín Pacák - drums, vocals

1969–1971:
Petr Janda - lead guitar, vocals
Miroslav Berka - keyboards
Jan Hauser - bass guitar, vocals
Ladislav Klein - rhythm guitar, vocals
Jan Antonín Pacák - drums, vocals

1971–1972:
Petr Janda - lead guitar, lead vocals
Miroslav Berka - keyboards, vocals
Petr Hejduk - drums, vocals
Jiří Korn - bass guitar, lead vocals
Ladislav Klein - rhythm guitar, vocals

1972–1973:
Petr Janda - guitar, lead vocals
Miroslav Berka - keyboards, vocals
Petr Hejduk - drums, vocals
Jiří Korn - bass guitar, lead vocals

1973:
Petr Janda - guitar, lead vocals
Miroslav Berka - keyboards, vocals
Petr Hejduk - drums, vocals
Ladislav Chvalkovský - bass guitar, vocals

1974–1975:
Petr Janda - guitar, lead vocals
Miroslav Berka - keyboards, vocals
Petr Hejduk - drums, vocals
Pavel Petráš - bass guitar, vocals

1975–1985:
Petr Janda - guitar, lead vocals
Miroslav Berka - keyboards, vocals
Petr Hejduk - drums, vocals
Milan Broum - bass guitar, vocals

1986–1987:
Petr Janda - guitar, lead vocals
Miroslav Berka - keyboards, vocals
Milan Broum - bass guitar, vocals
Milan Peroutka - drums
Jiří Valenta - keyboards, vocals

1987–2013:
Petr Janda - guitar, lead vocals
Milan Broum - bass guitar, vocals
Jiří Valenta - keyboards, vocals
Milan Peroutka - drums
[with occasional longer breaks and changing lineups – partly due to illness or injury – including guests and former members]

2013–2020:
Petr Janda - guitar, lead vocals
Milan Broum - bass guitar, vocals
Jiří Valenta - keyboards, vocals
Martin Vajgl - drums

2020–present:
Petr Janda - guitar, lead vocals
Milan Broum - bass guitar, vocals
Pavel Březina - keyboards, vocals
Martin Vajgl - drums