Sinclair, Monica (1925– )

English mezzo-soprano. She studied at the Royal Academy of Music, London, and at the Royal College of Music, London. She sang Suzuki with the Carl Rosa company in 1948. From 1949 she appeared at the Royal Opera House, Covent Garden, London, in the first performance of Pilgrim's Progress, 1951. She sang at Glyndebourne, in operas by Mozart, Strauss, and Rossini (1954–60). At Bordeaux in 1955 she sang Lully's Armide.