Here's a breakdown:
* The band gets banned from the school dance: After their disastrous performance, Rodrick's band, Löded Diper, gets banned from the school dance for causing chaos.
* Rodrick faces consequences: Mr. Heffley catches Rodrick spray-painting graffiti and he faces punishment, possibly grounding.
* Greg's "love" for Holly Hills: Greg, after getting kicked out of the school dance, goes with Rowley and discovers his feelings for Holly Hills aren't as strong as he thought.
* Greg and Rowley's friendship remains strong: Despite the day's crazy events, Greg and Rowley remain close friends.
* Rodrick's band becomes a success: Rodrick's band, despite their earlier troubles, starts to gain popularity and get invited to play at a local club, hinting at potential future success.
This section serves as a bridge between the climax of the story (Rodrick's band performance) and the resolution. It shows the immediate aftermath of the events and sets up future possibilities, leaving the reader with a sense of closure while also introducing new possibilities for the characters.