Norbert Brainin - Primarius (Amadeus Quartet), Earl Carlyss - second violin (Juilliard Quartet), Piero Farulli - viola (Quartetto Italiano), Stefan Metz - cello (Orlando Quartet), Valentin Berlinsky - cello (Borodin Quartet). July 1991, celebrate the 10th anniversary of the Orlando Chamber Music Festival in Kerkrade, The Netherlands.