Collegiate Choir

The Criterion Quartet

John McCormack

Chór Opery Warszawskiej

The Festal Choir

Berliner Lehrer-Gesangverein

Trinity Choir

Frank Munn

Peerless Quartette

The Choir Of Westminster Abbey

John Young

Shannon Four

Manhattan Quartett

Westminster Central Hall Choir

Elsie Baker

Shannon Quartet

Alma Gluck

Lucy Isabelle Marsh

Basilica-Chor Der St. Hedwigs-Kathedrale

Homer Rodeheaver

Stellar Quartet

Royal Albert Hall Orchestra

Arthur Hall

Hrvatsko Pjevačko Društvo "Gaj"

Henry Burr