Frank Croxton

Columbia Stellar Quartette

Trinity Choir

Columbia Quartette

Metropolitan Quartet

Henry Burr

Chautauqua Preachers' Quartette

Barbara Maurel

Steve Porter

Fisk University Male Quartette

Homer Rodeheaver

Percy Hemus

Julia Culp

Lyric Quartet

George P. Watson

Marie Tesař

The Elliotts

Frederick Wheeler

George Alexander

Howard Kopp

Ludmila Blatnická

Thomas Chalmers

The Carol Singers

Columbia Mixed Quartette

Marshall P. Lufsky