An intermezzo is a short, instrumental piece of music that is typically performed between acts of an opera to provide a transition between scenes or to create a specific mood or atmosphere.

Baritone is a type of vocal range typically associated with male singers, while soprano, alto, and tenor are all types of vocal ranges associated with female singers.

An aria is a solo vocal piece that is typically performed by a character in an opera to express their emotions or thoughts. It is often a highly ornamented and elaborate piece of music.

Ludwig van Beethoven was a famous composer of classical music, but he is not known for composing operas. Giuseppe Verdi, Wolfgang Amadeus Mozart, and Richard Wagner are all famous opera composers.

A duet is a section of an opera in which two characters sing together. A trio is a section in which three characters sing together, a quartet is a section in which four characters sing together, and a chorus is a section in which a group of characters sing together.

The Sydney Opera House is a famous concert hall and performing arts center, but it is not an opera house. La Scala, the Metropolitan Opera House, and the Royal Opera House are all famous opera houses.

Recitative is a section of an opera in which the characters speak or recite their lines in a musical manner. It is typically used to advance the plot or to provide exposition.

Andrea Bocelli is a famous tenor, but he is not known for performing in operas. Luciano Pavarotti, Maria Callas, and Plácido Domingo are all famous opera singers.

An overture is the opening section of an opera that introduces the main characters and sets the scene. It is typically an instrumental piece of music.

Zubin Mehta is a famous conductor, but he is not known for conducting operas. Herbert von Karajan, Leonard Bernstein, and Georg Solti are all famous opera conductors.

A chorus is a large group of singers who perform together in an opera. They typically provide background vocals or commentary on the action of the opera.

Richard Wagner was a famous opera composer, but he is not known for writing librettos. Lorenzo da Ponte, Salvatore Cammarano, and Arrigo Boito are all famous opera librettists.

An ensemble is a section of an opera in which the characters sing together in a complex and elaborate manner. It is typically used to create a sense of excitement or drama.

Steven Spielberg is a famous film director, but he is not known for directing operas. Franco Zeffirelli, Peter Sellars, and Robert Wilson are all famous opera directors.

A finale is the final section of an opera that brings the story to a conclusion. It is typically a large and elaborate section that involves all of the main characters.