Fulvio Rampi

The American Boychoir

Joseph Haydn

Collegium Vocale Der Kathedrale St. Gallen

Arka Noego

Don Potter

Choralschola Kloster Einsiedeln

Josef Schener

St Petersburg Chamber Choir

Rebecca St. James

John Eliot Gardiner

Choeur des Moines de l'Abbaye Saint-Benoît-du-Lac

Taizé

Schola Cantorum St. Gallen

Richard Hickox

René Clemencic

The Choral Academy Of Moscow

Michel Corboz

Coro Della Radio Televisione Della Svizzera Italiana

London Philharmonic Orchestra

Cantiamo Sottovoce

Twila Paris

Riccardo Muti

Martin Valverde

Gustav Leonhardt