Daniel Amstutz

Julius Rudel

Simon Estes

National Philharmonic Orchestra

Glen Campbell

The Platters

André Heller

Kiri Te Kanawa

Sveriges Radios Symfoniorkester

Mormon Tabernacle Choir

Cliff Richard

Leonard Bernstein

Johann Sebastian Bach

Nana Mouskouri

London Community Gospel Choir

Heitor Villa-Lobos

London Symphony Orchestra

Franco Battiato

Rundfunkchor Leipzig

Emmylou Harris

Gioacchino Rossini

Billy Preston

Carla Brown

Brother Jack McDuff

Sinfonieorchester Des Südwestfunks