Demmer, Joseph [Friedrich Christian; Fritz]
- Richard Wigmore
(b Cologne, c1768; d Mannheim, April 2, 1811). German tenor. Demmer’s principal claim to fame is that he created the role of Florestan in the first version of Fidelio at the Theater an der Wien on 20 November 1805. Beethoven was apparently dissatisfied with his performance and engaged another tenor when a revised version of the opera was staged in ...