an Entity references as follows:
Kammersänger Josef Witt (17 May 1901 – 3 January 1994) was a tenor who was a regular performer at the Vienna State Opera before WW II. His name is sometimes spelt Joseph Witt. In 1923 Witt created the role of Li in Hans Gál's opera, Die heilige Ente, in Düsseldorf. He performed the role of Palestrina in the production of Pfitzner’s opera Palestrina at the State Opera in 1937.