Opera singer Margaret Kingsley has died at the age of 87. Born Cornwall, Kingsley studied in London at the Royal College of Music, and later joined the chorus at Glyndebourne. At Glyndeborune she made her debut as a soloist in 1966 as the First Lady in “Die Zauberflöte” and later went on to sing Donn Elvira and Lady Macbeth. She later {…}