Joseph Kaiser performed in an opera in five acts known as what?
Joseph Kaiser:  He has performed as a soloist with the New York Metropolitan Opera, making his debut in October 2007 as Roméo in Charles Gounod's "Roméo et Juliette". Roméo et Juliette: Roméo et Juliette ("Romeo and Juliet") is an opera in five acts by Charles Gounod to a French libretto by Jules Barbier and Michel Carré, based on "The Tragedy of Romeo and Juliet" by William Shakespeare.
Roméo et Juliette