The Metropolitan Opera House Orchestra

Guilet String Quartet

Roy Henderson

Pietro Spada

Galliano Masini

Olga Scheps

Norman Luboff Choir

The Kingsway Chorus

Sonatori De La Gioiosa Marca

Otto Matzerath

Coro Di Voci Bianche

Morgaua Quartet

Peter Mennin

Bartholdy Quartett

The Cambridge Buskers

Wandsworth School Boys' Choir

Royston Nash

Alan Held

Silvestre Revueltas

Harry Christophers

Monica Huggett

František Ignác Tůma

Rodney Slatford

Kristian Bezuidenhout

New York Harp Ensemble