Initially led by [a=Karel Mareš], briefly by Miloslav Růžek, and since 1965 by [a=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