Michael Yeargan Biographie Contributions de Michael Yeargan Autres contributions Le Comte Ory Joyce Didonato emi virgin Simon Boccanegra-live From The Royal Opera House Placido Domingo Parlophone Ariadne auf Naxos (Salzburger Festspiele) Dvd Emi Verdi: Simon Boccanegra Kiri Orchestra of the Royal Opera House, Covent Garden Universal Music España