Bengt Rundgren

Alain Decaux

Nicolai Ghiaurov

Barbara Troxell

Felicity Palmer

Rita Hunter

Karl Ridderbusch

Renato Gavarini

Agnes Baltsa

The Cleveland Orchestra Children's Chorus

Hungarian State Opera Orchestra

Cesare Valletti

Ralph Vaughan Williams

Иван Козловский

The Cleveland Orchestra

Tito Gobbi

Arnold Schoenberg

Richard Cassilly

Sir Adrian Boult

Leone Magiera

Franz Schubert

Leevi Madetoja

Cathy Berberian

Zinka Milanov

Leopold Hager