(Credit: Mubi) Tenor Kenneth Riegel has died at the age of 85. Born on April 19, 1938 in Womelsdorf, Pennsylvania, Riegel made his theatrical debut as the Alchemist in “König Hirsch” at Santa Fe Opera in 1965. That same year he went on to sing at the Royal Opera House for the first time and in 1969 he made his {…}