Thomas Chalmers

The Criterion Quartet

Harry Macdonough

Steve Porter

Metropolitan Quartet

John McCormack

Henry Burr

Shannon Four

Trinity Choir

Reinald Werrenrath

Columbia Quartette

Chautauqua Preachers' Quartette

James Jordan

Lyric Quartet

Elizabeth Spencer

Harry E. Humphrey

Frederick Wheeler

Alma Gluck

George Alexander

Emilio De Gogorza

Wiseman Sextette

Haydn Quartet

Julia Culp

Frederic C. Freemantel

St. John's Gospel Quartette