. . . . "choir performance" . "2000-04-04T20:00:00"^^ . "multiple performances" . . . . . . "Maurizio Pollini, Piano, and The Arnold Schoenberg Choir" . . . . . . . "Perspectives: Maurizio Pollini\r\nU.S. PREMIERE of Giacomo Manzoni's TRAME D'OMBRE" .