It has been weeks since the defeat of the Dazzlings, and Sunset Shimmer's friendships have only gotten stronger. Whilst finally relaxing in the times of peace, Sunset discovers an old enemy: Sonata Dusk. Strangely alone and apparently homeless, Sonata's luck seems to be at its all time low.
Seeing a little of herself in the former siren, Sunset embarks on a mission to help Sonata find friendship.

(For anyone who liked the old cover art, here's a side-by-side comparison of the old and new: http://daniel-gleebits.deviantart.com/art/Go-Compare-Twiddles-moustache-581352606 )

TV Tropes page: Feel free to add whatever tropes you find
http://tvtropes.org/pmwiki/pmwiki.php/Fanfic/TheEveningSonata

Warning: spoilers for Equestria Girls: Rainbow Rocks in the description and story.

After the events of Rainbow Rocks, Sunset grows concerned about what might happen as Senior Prom approaches; Canterlot High doesn't have the best track record when it comes to big events, and she's afraid that, like the last two, this one will also be accompanied by atrocity. Her friends claim that she should relax as there's nothing to worry about, but Sunset retains a nagging fear in her gut that catastrophe is about to strike - again.

However, after she encounters an interesting individual - one that she didn't even know she'd see again - working at Canterlot High, she finds herself with an even bigger problem: figuring out how to, by some miracle, have a date at Senior Prom not go horribly wrong.

This story is a one-shot-kill.