Then, at the end of the movie, Wyld Stallyns is playing pretty poorly but Rufus promises “they do get better.”
To note, the final version of Bill & Ted’s Excellent Adventure ends and begins with George Carlin’s Rufus.
There’s nothing about school buses or jocks and there’s certainly no surreal dance number.
At the beginning, Rufus explains that 2688 is clean, “even the dirt is clean,” but that he had to go back and time to keep Bill and Ted on the correct path so that the world could get to that point.