EROS PERVERSION (1979), directed by Ron Wertheim, starring Carlo De Mejo, Viju Krem, and Ajita Wilson, is a musical (?) take on Shakespeare's THE TWELFTH NIGHT, with a bunch of nudity thrown in.
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FORBIDDEN PASSION (1974), directed by Gianluigi Calderon, starring Gabrielle Ferzitti and Ornella Muti, was
Star Video back cover. I've no idea what the dog is doing there.
Herman (I WAS A TEENAGE WEREWOLF) Cohen was one of the distributors of APPASSIONATA in the U.S.
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NAKED CITIES is I SEGRETI DELLA CITTA PIU NUDE DEL MONDO (1971) from Luciano Martino, with brother Sergio the scriptwriter. A mondo travelogue movie with scenes from Paris, Amsterdam, Berlin, London, Los Angeles, etc.