Question: Who was a lead composer for the "bel canto" opera style, Gustave Charpentier or Gaetano Donizetti?
Sentence (from "Gustave Charpentier"): Gustave Charpentier (] ; 25 June 1860 – 18 February 1956) was a French composer, best known for his opera "Louise".
Relevant evidence: Yes