Sofia National Opera Chorus

Bedřich Smetana

Aaron Copland

Béla Bartók

Seiji Ozawa

Willi Boskovsky

Radio-Symphonie-Orchester Berlin

David Willcocks

Karel Ančerl

Giacomo Meyerbeer

Hilde Rössel-Majdan

Arthur Fiedler

Leoš Janáček

Gustav Mahler

Orchestre National De France

Jerry Hadley

Mormon Tabernacle Choir

Howard Crook

Helmuth Rilling

Kurt Masur

Cincinnati Symphony Orchestra

Wiener Akademie Kammerchor

Rudolf Schock

Christa Ludwig

Hallé Orchestra