I love that film. I saw it four times, once in a theatre in New York City, once from a blueray disc I borrowed from the local library and twice on cable TV.
Here is a fragment from the film with Conal Fowkes on vocal and piano.
Here is the complete recording by Conal Fowles.
How can one derive so much joy and pleasure from just increases and decreases in air density as the sound wave travels to our ears?