mes amis" while describing his efforts to wed the title character who is helped by (*) Sulpice.
During a singing lesson in one of this composer's works, one character sings parts of the aria "Chacun le sait," which had already been sung in the previous act. In another opera by this man, Giannetta and a group of workers hear the love story of Tristan and Isolde. This composer created a tenor who sings many high Cs in "Ah! mes amis" while describing his efforts to wed the title character who is helped by (*) Sulpice. In another of his works, Belcore is supposed to marry Adina after some fraud is committed by Dr. Dulcamara, and Nemorino sings "Una furtiva lagrima" in that work. This man's also created a character sings "Il dolce suono" in a mad scene; that character is loved by Edgardo who ends the opera by killing himself. For 10 points, name this composer of the operas The Daughter of the Regiment, The Elixir of Love, and Lucia di Lammermoor.
During a singing lesson in one of this composer's works, one character sings parts of the aria "Chacun le sait," which had already been sung in the previous act.
Domenico Gaetano Maria Donizetti