scat singing

English Thesaurus

1. singing jazz; the singer substitutes nonsense syllables for the words of the song and tries to sound like a musical instrument (noun.act)

hypernym	:	singing, vocalizing,
definition	:	the act of singing vocal music (noun.act)

hypernym	:	jazz,
definition	:	a genre of popular music that originated in New Orleans around 1900 and developed through increasingly complex styles (noun.communication)