tracks a4, b6 baritone vocals Dietrich Fischer-Dieskau tracks a5, b2, b4 performer Grace Bumbry tracks a1, a3, a5, a9, a11, b1, b3 to b5 piano Erik Werba tracks a2, b7 piano Hubert Giesen tracks a6, a8 piano Jacqueline Bonneau tracks a4, a6 piano Jörg Demus tracks a3, a7 soprano vocals Irmgard Seefried tracks a1, a9, a11, b5 soprano vocals Rita Streich tracks a6, a8 tenor vocals Ernst Haefliger tracks a2, b7 tenor vocals Fritz Wunderlich Record Company Deutsche Grammophon GmbH Printed By Gebrüder Jänecke Manufactured By Deutsche Grammophon Hamburg The [l107525] is referred to as Deutsche Grammophon Gesellschaft on release.