quintet, sextet, trio, septet, foursome, duo, octet, fivesome, tenorist, ensemble, harmonizers, medly, band, nonet, elastic band, triumvirate, quartette, vibist, string quartet, saxophonist, altoist, concertino, saxman, virtuosi, supergroup, vibraphonist, yardbird, trumpeter, instrumentalists, tenor saxophonist, pentangle, banjoist, alto saxophonist, keyboardist, saxist, planxty, folkers, niccolo paganini, bassist, partitas, troika, vocalist, trombonist, saxes, katzenjammer, jazzman, jazzer, cornetist, accompanists, oboists, soloists, tin hat, troupe, musicians, cimbalom, strummer, medley, percussionist, barbershop quartet, sopranino, songsters, capella, flugel, harmonies, pianist, ratatat, ysaye, max bruch, double dagger, wedding present, schola cantorum, folktronica, contrabassoon, drummer, clarinettist, tzigane, troubadours, chanteuses, shivaree, ballades, chorus, cellist, ottorino respighi, novillero, jazz, threesome, guitarist, cesar franck, chaconne, violinists, flautist, flutist, percy grainger, cappella, sinfonietta, twosome, contrabass, percussion, handelian, yeasayer, rockers, fritz kreisler, sonata, concerto, quartets, symphony, concert, novella, opera, sonnet, album, book, concertos, poem, soloist, story, symphonies, cantata, choral, orchestral, symphonic, polyphonic, antiphonal, flamenco, canonic, contrapuntal, homophonic, music, revival, congregational, fugal, hegemonic, improvisational, pianoforte, popular, atonal

quadrumvirate, string quartette

barbershop quartet, string quartet, string quartette

assemblage, composition, digit, gathering, musical composition, musical group, musical organization, opus, piece, piece of music, set

4, four, iv, little joe, quadruplet, quatern, quaternary, quaternion, quaternity, tetrad