When the changeling queen Aurora comes to visit Twilight Sparkle to discuss the future of ponies and changelings, the life style of Twilight and her friends has a bigger effect on the changeling than she could have imagined.
Vinyl's music career is on the down slide. Her fame is dropping. Her sales are falling. All in all, things are not looking good for the DJ in face of new, more hip musicians. That is, until Octavia develops a plan crazy enough it might just work.