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
String Quartet No. 14 (Mozart) Average performances of the whole string quartet vary in length from 26 to 33 minutes. As with all later Mozart quartets, this quartet has four movements: The first movement, in G major, contrasts fairly diatonic passages with chromatic runs. According to (Williams, 1997) "it must come as something of a surprise to anyone examining this quartet just how much chromaticism there is in it." In contrast to the standard quartet form, which places the minuet as the 3rd movement, this quartet has the minuet as its 2nd movement (another example of this ordering is the String Quartet No. 17). It