The Sirens were defeated at the Battle of the bands, something that seemed impossible to them.

So what did they do after running off?

This was written based on a prompt from Ebon Quill, who wanted to see inner monologues of the Sirens post Battle.

“At least I’ll be working alone.” Zack thought to himself as he rode the Friendship Express. He was on his way to Canterlot to help the princess set up for the Summer Sun Festival. He has helped build some of the sets before but he doesn’t come every year. Zack thought that this year was going to be as simple as the last year that he came. He had no idea that this year would be very different.

Chrysalis thinks jokes, puns, and off-key musical numbers are the way to Twilight's heart (and bed).

She is ever so slightly, possibly, potentially, just a wee smidgen completely and utterly wrong.

Maybe.