Yes, the scene with them coming back was so sweet and funny. It was great contrast to everything going straight to hell. (Though reminds me a bit of the HBO cliche where the minute you see a character being happy about something, you know they're doomed.)

What was the klezmer song?

The only conclusion I have is the change in directors, but I don't have enough data to nail that down yet. The writer is the same. If it works out to be true, I may die mad about giving the A Block to Mr. Dickface.