Skupina Jana Sochora
years active: 1972 - 1979
side project of Pavel Sochor, personally much identical to Progress Organisation/Barnodaj/Progres 2; working as backing band of several pop and folk singers (Martha a Tena, Vera Spinarova, Bob Fridl, J.P.Brousek). In 1979 renamed to Ex Libris.
Members:
Cyril Kajnar (since 1971) , bass guitar
Zdenek Kluka, drums, bongos, conga, leader
Pavel Vane, guitars, mandoline, bouzouki
Jan Sochor, piano, guitars, keyboards, vocal, leader
Pavel Pelc, bass guitar
Rudolf Hajek "Rudi", flute
Discography:
samplers etc.:
II. Celostatni Festival Politicke Pisne Sokolov 74 , Panton 1974
Gong 2 , Panton 1976
SP / EP:
Maminka / Jednou, dvakrat ( Fridl, Bob ) , Panton 1972 , 
Reka nadeji / Krasny Sen ( Spinarova, Vera ) , Panton 1972 , 
Lasko ma / Cap ( Fridl, Bob ) , Panton 1973
Zapomen / Snad vite kdo vam zpiva ( Fridl, Bob ) , Panton 1973 ,
Karina / Tato, zkus byt muj kamarad ( Fridl, Bob ) , Panton 1974
Odjezd 24'05 / Hrej at stromy roztancis ( Martha a Tena Elefteriadu - Martha and Tena Elefteriadu ) , Panton 1976
Muska vinna / Bila trocha stesti ( Brousek, Jaroslav Pavel ) , Panton 1979 , 
participation:
Jen vitr to vi ( Blowin' In The Wind ) ( Fridl, Bob ) , Panton 1973 ,
Abeceda ( Alphabet ) ( Fridl, Bob ) , Panton 1974 ,
Vsem starym laskam ( To All Past Loves ) ( Fridl, Bob ) , Panton 1976 ,
Recke prazdniny ( Greek Holidays ) ( Martha a Tena Elefteriadu - Martha and Tena Elefteriadu ) , Panton 1977