Barkel Quartet: Charles Barkel (Vln.1) Sven Karpe (Vln.2) Sven-Erik Bäck (Vla.) Folke Bramme (Vlc.)
Barkel Quartet: Lars Fyrden, Carl-Olov Nihlman (Vln.) Axel Herjo (Vla.) Bengt Ericson (Vlc.)
Stockholm Quartet: Ernst Tornqvist, Folke Reinholdson (Vln.) John Hylbom (Vla.) Carl Christiansen (Vlc.)