Quartet Quartet In music, a quartet or quartette (, , , , ) is an ensemble of four singers or instrumental performers; or a musical composition for four voices or instruments. In Classical music, the most important combination of four instruments in chamber music is the string quartet. String quartets most often consist of two violins, a viola, and a cello. The particular choice and number of instruments derives from the registers of the human voice: soprano, alto, tenor and bass. In the string quartet, two violins play the soprano and alto vocal registers, the viola plays the tenor register and
Alexander String Quartet International String Quartet Competition), winning both the audience prize and the jury's highest prize. Alexander String Quartet The Alexander String Quartet is a string quartet based in San Francisco. Formed in New York in 1981, the Alexander String Quartet has since 1989 been Ensemble in Residence of San Francisco Performances and directors of the Morrison Chamber Music Center in the College of Liberal and Creative Arts at San Francisco State University. In 1982, the Alexander String Quartet was the first string quartet to win the Concert Artists Guild competition. In 1985, the Alexander String Quartet was the first American string