Kenneth Riegel

Kenneth Riegel (born 19 April 1938) is an American opera tenor. 
Life and career.
Riegel was born on 19 April 1938 in Womelsdorf, Pennsylvania. He made his theatrical début as the Alchemist in "König Hirsch" at Santa Fe Opera in 1965, debuting at the Royal Opera House, Covent Garden in the same year.
He was engaged at the New York City Opera from 1969 (debut in "L'heure espanole", with Karan Armstrong) to 1974. He debuted at the Metropolitan Opera in "Les Troyens" in 1973 (as Iopas, opposite Jon Vickers and Shirley Verrett), subsequently appearing at the Met in another 102 performances in operas including "La clemenza di Tito", "Les contes d'Hoffmann", "Elektra", "Fidelio", "Lulu", "Die Meistersinger von Nürnberg", "The Rise and Fall of the City of Mahagonny", "Salome", "Die Zauberflöte" and "Wozzeck". He made his first appearance at the Salzburg Festival in 1975. In 1979, he sang Alwa at the first performance of the 3 act version of "Lulu" at the Paris Opera. He played the title role in "Der Zwerg" in Hamburg in 1981. In 1983, he created the role of the Leper in "Saint François d'Assise".