Nebe-Quartett

John McCormack

Collegiate Choir

Reinald Werrenrath

Stanley Kirkby

Peerless Quartette

Shannon Four

Prince's Orchestra

John Forsell

Max Kuttner

The Criterion Quartet

Berliner Lehrer-Gesangverein

Wilfred Virgo

Trinity Choir

Hrvatsko Pjevačko Društvo "Gaj"

Thomas Chalmers

Julia Culp

Efrem Zimbalist

Harry Steier

The Winchester Chorus

St. John's Gospel Quartette

Zavaidoc

Victor Mixed Chorus

George P. Watson

Kalman Juvelier