Jean-Pierre Mocky was a French film director, actor, screenwriter and producer who made over 40 films.
Trailer of Solo (1969) with a soundtrack by Georges Moustaki.
The Love Life of the Octopus (1965, French: Amours de la pieuvre) is a film on octopi by Jean Painlevé, who is also the narrator. The music is by Pierre Henry.
Last year, or two years ago, I saw Microcosmos and for a while I was very much into the love lives of animals.
The Love Life of the Octopus has also a scene of lovemaking of octopi.