Twilight's totally listening to vocal music, which is what I have for you!
A song about Pinkie, a song about Celestia, and Derpy and the Doctor. Do it!
1) MLP: Pinkie's morning (pony music)
2) Princess of the Sun (Mother Nature's Son) feat. Replacer
3) knights of Time and Space (feat. Pierce Smoulder KeikoandGilly)