My list would start with
Friends (1971) Elton John music (romance)
Missouri Breaks (1976) Marlon Brando/ Jack Nicholson (western)
The Ballad Of Cable Hogue (1969) Jason Robards/Stella Stevens (western)
Fritz The Cat (1972) R-rated cartoon
Romeo Is Bleeding (1993) Gary Oldman/Lena Olin (crime drama)
And yours are?