Monica Bacelli appears regularly in many of the world’s leading opera houses including La Scala Milan, the Vienna State Opera, The Royal Opera House Covent Garden, the Opernhaus Zurich, the Salzburg Festival, La Fenice Venice, the Maggio Musicale Fiorentino, the Teatro Real Madrid, La Monnaie Brussels, the Rossini Opera Festival Pesaro, and the Netherlands Opera Amsterdam. Conductors with whom she has worked include Ivor Bolton, Semyon Bychkov, Sylvain Cambreling, Riccardo Chailly, Myung-Whun Chung, Valery Gergiev, Bernard Haitink, Nikolaus Harnoncourt, René Jacobs, Sir Neville Marriner, Zubin Mehta, Riccardo Muti, Daniel Oren, Seiji Ozawa, Antonio Pappano, Trevor Pinnock, Simon Rattle, David Robertson, Christian Thielemann and Alberto Zedda.