an Entity references as follows:
Hervey Alan (22 February 1910, Whitstable - 12 January 1982, Croydon) was an English operatic bass and voice teacher. During his career he sang leading roles with most of Great Britain's major opera institutions, including the Edinburgh Festival, the Glyndebourne Festival, the Royal Opera House, the Sadler's Wells Opera, and the Welsh National Opera. He is best known for creating the role of Mr. Redburn in the world premiere of Benjamin Britten's Billy Budd at the Royal Opera House, London, on 1 December 1951. Music critic Elizabeth Forbes wrote that his voice was "dark toned, resonant", and "especially effective as Zaccaria in Nabucco.