(n) :
the act of vocalizing, using nonsense syllables or sounds (e.g. "dool-yuh doot-n dwee-dah") to create an improvised melodic solo, often imitative of other musical instruments
(n) :
the act of vocalizing, using nonsense syllables or sounds (e.g. "dool-yuh doot-n dwee-dah") to create an improvised melodic solo, often imitative of other musical instruments