Cello Cello The cello ( ; plural cellos or celli) or violoncello ( ; ) is a string instrument. It is played by bowing or plucking its four strings, which are usually tuned in perfect fifths an octave lower than the viola: from low to high, C, G, D and A. It is the bass member of the violin family, which also includes the violin, viola and the double bass, which doubles the bass line an octave lower than the cello in much of the orchestral repertoire. After the double bass, it is the second-largest and second lowest (in pitch) bowed
String Quartet No. 6 (Babbitt) one instrument at a time, are used to mark off composite pitch aggregates . The work is based on an all-partition array which is (with a few swapped partitions) the M5 transform of the one used in "The Joy of More Sextets" (1986), for violin and piano . String Quartet No. 6 (Babbitt) String Quartet No. 6 is the last of six chamber-music works in the string quartet medium by the American composer Milton Babbitt. Babbitt’s expansive and lyrical Sixth Quartet was written in 1993. It is in two sections, in each of which the work's underlying six-part all-partition array