OPERA Movie (1987)

OPERA Movie (1987) Trailer - Plot synopsis: When a young opera singer takes over the leading role in an avant-garde presentation of Macbeth, she triggers the madness of a crazed fan who repeatedly forces the diva to watch the brutal murders of her friends.
Will the woman’s recurring nightmare hold the key to the identity of this psychopath?
a film by Dario Argento
with Cristina Marsillach, Ian Charleson, Urbano Barberini, Daria Nicolodi, William McNamara