Harold and Maude came out in 1971.  At it's heart it is a love story, but there's also a lot of death.  Most of it is of the faked death variety, but some is not.  It's a classic. There's a lot of Cat Stevens music, which is cool.  (One of my favorite songs is "Morning has Broken.")

I tried to find the official trailer but I'm not really sure what that is. I kind of liked this one. Apparently, it has some scenes that aren't in the film.