S.L.S.
active from year 1981
backing band of Lesek Semelka (in Czech, Skupina Leska Semelky)
Members:
Vladimir Cech "Vlado" (1981-1984) , drums
Jan Kavale (1981-1984) , bass guitar
Lesek Semelka (since 1981) , keyboards, drums, synthesizers, programming, vocal, leader
Stanislav Kubes "Klasek" (since 1981) , guitars
David Koller (1984-1985) , drums
Vladimir Bohacek (1984-1985) , bass guitar
Miloslav Benysek (1991-1991)
Karel Espandr, guitars
Michal Pavlik, keyboards
Marcela Brezinova, vocal
Milan Peroutka "Ferda"
Discography:
samplers etc.:
Planeta lidi ( Planet Of Humans ) , Supraphon 1985 , 
SP / EP:
Proc / Ty, krasna zenska ( Why / You, Beautiful Woman ) ( Semelka, Lesek ) , Supraphon 1982
Jmena / Tak mi pomoz ( Names / So Help Me ) ( Semelka, Lesek ) , Supraphon 1983
Driv smirliva / Majolenka ( Apologetic Before / ... ) ( Semelka, Lesek ) , Supraphon 1985 , 
Tamhle se ten zazrak blizi / Jeden z nas dvou ( Brezinova, Marcela ) , Supraphon 1990
participation:
Lesek Semelka & SLS ( Semelka, Lesek ) , Supraphon 1985 ,
Bara Basikova ( Basikova, Bara ) , Monitor 1991 ,
Cas vlku ( Wolves' Time ) ( Semelka, Lesek ) , 2011