Writhing and Wet (1981)

A struggling jazz saxophonist and a dancer at a rundown strip club are a couple. Though they love each other, they are unable to give up on their glamorous dreams and live their days at rock bottom. One day, the man cheats on her with a woman he picks up, and the next morning, she steals his precious saxophone. Wanting to buy the exhausted man a new saxophone, the dancer decides to sell her body to her devoted fan...