Martinu Quartet: Lubomir Havlak (Vln.1) Petr Macecek (Vln.2) Jan Jisa (Vla.) Jitka Vlasankova (Vlc.)
Martinu Quartet: Petr Macecek (Vln.) Jitka Vlasankova (Vlc.)
Martinu Quartet: Lubomir Havlak (Vln.) Jan Jisa (Vla.)