Dianne Steinberg has only been in one movie, but she sings in it, if that’s any consolation. She also bares a boob. That movie is the disco reimagining of the Beatles’ classic slab of psychedelic musicianship Sgt. Pepper’s Lonely Hearts Club Band (1978). She plays Lucy, as in the Sky with Diamonds, and sings that ode to acid dreams, and also “I Want You (She’s So Heavy)” and “You Never Give Me Your Money.” Speaking of money, she flashes panties rolling around in a roomful of cash, then flashes one of her fun-bags just for the hell of it.