Sandy (1983)

Zoe, a young girl with musical interests, works in a hamburger restaurant. She auditions several times to sing in a cabaret but these do not work out because she does not agree to the requests of the owners of the place. After her disappointment, she meets the members of a recently created rock band that is going through a slump of inspiration and popularity. Zoe joins the group and becomes their creative muse, achieving great success with them under the name of Sandy.