Prazak Quartet: Václav Remes, Vlastimil Holek (Vln.) Josef Kluson (Vla.) Michal Kanka (Vlc.)
Vaclav Kunt (Fl.) Josef Kluson (Vla.) Jiri Hudec (Kb.)
Pavel Hula (Vln.) Michal Kanka (Vlc.)
Kocian Quartet: Pavel Hula (Vln.1) Milos Cerny (Vln.2) Zbynek Padourek (Vla.1) Vaclav Bernasek (Vlc.1) Members of Prazak Quartet: Josef Kluson (Vla.2) Michal Kanka (Vlc.2)