Kwartet voor violen [2], altviool en cello, "Four songs for a mad composer"

Quartet for violins [2], viola and cello, "Four songs for a mad composer"

Quartett für Violinen [2], Bratsche und Cello, "Four songs for a mad composer"

Quatuor pour violons [2], alto et violoncelle, "Four songs for a mad composer"