Quartet
Part of speech: noun
Definition: A music composition in four parts, each performed by a single voice or instrument. The set of four musicians who perform a piece of music together in four parts. A group of four.
Example sentence: There is no piece of guitar music that has the formal beauty of a piano sonata by Mozart, or the richly worked out ideas and passion of a late Beethoven string quartet, or for that matter the beautiful mellifluous poetry of a Chopin Ballade.
Quartette
Part of speech: noun
Definition: A music composition in four parts, each performed by a single voice or instrument.