1) Composition in C-sharp minor 2) Express or state clearly 3) Pronounce as a vowel 4) Sing 5) Sing with the same vowel 6) Utter speech sounds 7) Vocalize Found on https://www.crosswordclues.com/clue/vocalise
(from the article `vocal music`) Vocal compositions with no articulated text are called vocalises (vocalizzi in Italian). Although such works have been traditionally used as ... Found on http://www.britannica.com/eb/a-z/v/32