I know some say he is “choosing”’when they dance and leading her but you are loosing the context when you think that. She doesn’t have to dance at all. she had previously refused to dance with him. She’s dancing b/c 1.they have nothing else to do. 2. her competitive personality wants to take the challenge. He’s not bossing her, she’s doing him a favor every time she responds. This song is used as dialogue to move the story and evolve the characters relationship, instead of as an aside or dream sequence. As for During this song pre-code I think she would’ve been kveling over him after a brief