yodel, anthem, ballad, bel canto, bravura, carol, chirp, chirrup, choir, choral singing, chorus, coloratura, croon, crooning, descant, do-re-mi, folk singing, hum, humming, hymn , intonate, intonation, intone, lilt, lyricism, minstrel, operatic singing, pipe, psalm, quaver, roulade, scat, scat singing, serenade, shake, sing, sing in chorus, singing, sol-fa, sol-fa exercise, solfeggio, solmizate, solmization, song, tonic sol-fa, tremolo, trill, troll, tweedle, tweedledee, twit, twitter, vocal music, vocalization, vocalize, warble, warbling, whistle, yodeling