English soprano Joan Carlyle, born April 6, 1931 at Upton in Wirral, Cheshire, UK, has died at age 90,  the Royal Opera House has announced. She had become one of the leading British and English-speaking singers, having emerged at Covent Garden in the 1950s. Carlyle worked under the baton of many important conductors such as Rafael Kubelik, George Solti, Otto {…}