Václav Jan Sýkora

Giulietta Simionato

Capella Academica Wien

Lionel Dakers

Kurt Masur

Mario Mellier

Slovak Philharmonic Orchestra

Arthur Davison

Hans Swarowsky

Joan Baez

Anton Dermota

The Hollywood Bowl Symphony Orchestra

Franz Hartwig

The New World String Orchestra

Hans-Rudolf Stalder

Anton Stadler

Billy Vaughn

Hanns Reinartz

Susan Longfield

Golden Strings Orchestra

Guido Centini

Jacques Loussier Trio

Westminster Quartet

Ramón De Algeciras

Robert Freund