Trap music, it's like big room house, but with rapidfire snares. Sweetie unfortunately discovers this form of "music", and decides to show it to rarity. Things don't end well.

Trap song: https://www.youtube.com/watch?v=5lHg4GGWqeo&list=UUp86OloSQyL16XliOQn4fvQ

Dramatic song: https://www.youtube.com/watch?v=qIlQ5OQqEI4

Speakers: http://vigorousvisuals.deviantart.com/art/MLP-Speaker-382503538

For the record, I don't mind trap music, or the people that listen to it. You guys like what you want.