It’s the night before the big sting. You don’t really need to know anything else, and it’s complicated anyway. Scott Joplin’s “Solace” is introduced on the soundtrack, lending the perfectly wistful mood. It carries the scene from 26 seconds into this clip until 4 minutes and 18 seconds. Notice how little dialogue there is.
The rest of the clip is good too, but there’s no music.
Jon Kimura Parker played this piece the other night as an encore to Tchaikovsky’s Piano Concerto No. 1.