What she did find good was the soundtrack, provided by the musicians, and she was especially growing fond of the haunting melody provided by a one talented cello player.

Of course, you can't have Vinyl in a story without Octavia.

“Vinyl…” Nightmare Moon pulled her head back cautiously and wondered if she should prepare a spell. “Do you remember that talk we had about you smiling within a 90 degree angle of my general direction?”

Okay now I'm curious about this talk...

Wow, I never knew derpy was a hero like Rainbow Dash?

Why does this story have a human tag on it? I haven't seen anything to do with humans in what I've read so far.

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Ive been trying to figure that one out myself

So, I decided to read this now, and I must say, I'm liking it a lot so far. The way you're characterizing Nightmare Moon is a good mix of willfully nefarious and unintentionally helpful. Her choice of occupation and preferred genre of entertainment also amuse me. I'm curious to see how these various threads develop.