Allen Rogers

Erwin Schulhoff

Gregg Smith Singers

Rostislav Dubinsky

Maria Stader

Edith Henrici

Mieczysław Weinberg

Robert Whitney

Wiener Oktett

Elliott Carter

Valentin Berlinsky

RCA Italiana Opera Chorus

Dennis Brain

William Mathias

Tanglewood Festival Chorus

RCA Victor Symphony Orchestra

Bulgarian National Choir 'Svetoslav Obretenov'

Paul Capolongo

Jiří Pinkas

Stockholms Filharmoniska Orkester

Anatoly Liadov

Aleksey Nasedkin

Oskar Danon

Bartók Quartet

Julius Rudel