In music, a quartet (French: quatuor, German: Quartett, Italian: quartetto, Spanish: cuarteto, Polish: kwartet) is an ensemble of four singers or instrumental performers.[1][2]
^Merriam-Webster. "Quartet". Merriam-Webster, Inc., div. of Encyclopædia Britannica. Retrieved 12 January 2013.
^Random House Dictionary. "Quartet". Dictionary.com. Retrieved 12 January 2013.