Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Jeannette Sinclair (born 1928) is an English soprano born in 1928. She sang a variety of roles as a principal soprano at the Royal Opera House, Covent Garden and at Glyndebourne Festival Opera, during the 1950s and 1960s. Her work for the BBC encompassed opera, oratorio and many recitals of lieder, English song and French chanson, light music and appearances at the BBC Henry Wood Promenade concerts, 1960-9. Born in Camberwell, London, UK on 11 April 1928, Jeannette Sinclair attended Mary Datchelor Girls' School. She studied at the Guildhall School of Music and Drama and later at the Opera School with Joan Cross and privately with Helene Isepp.