Synonyms and related words :
bel canto, birring, bombilation, bombinating, bombination, booming, bravura, burring, busy, buzzing, choral singing, coloratura, croon, crooning, droning, folk singing, fussy, hopping, hum, hustling, intonation, lively, low rumbling, lyricism, operatic singing, popping, purring, scat, scat singing, singing, sol-fa, sol-fa exercise, solfeggio, solmization, song, thrumming, tonic sol-fa, vocal music, vocalization, warbling, whirring, whizzing, yodel, yodeling