Manhattan Quartett

Lucy Isabelle Marsh

John Young

Max Kuttner

Berliner Lehrer-Gesangverein

Band Of The Welsh Guards

Trinity Choir

The Criterion Quartet

John McCormack

Elsie Baker

Collegiate Choir

Frank Munn

Wembley Exhibition Military Band

The Choir Of Westminster Abbey

The Goldman Band

Basilica-Chor Der St. Hedwigs-Kathedrale

Lotte Lehmann

Shannon Quartet

Ernest Hare

Master James Dugan

Homer Rodeheaver

Paul Whiteman And His Orchestra

Stellar Quartet

Steve Porter

Robert Gayler