It can usually be distinguished from tragic operas or melodramas by the presence of a basso buffo. One of the better-known examples is Gaetano Donizetti's Linda di Chamounix.
This type of opera can be differentiated from tragedies like "tragic operas" or "melodramas" by the presence of a basso buffo character, often called a "buffoon." A well-known example is Gaetano Donizetti's "Linda di Chamounix."