Help identifying a few songs

https://www.youtube.com/watch?v=U_WRB4RB5fs - The classical song that begins at 0:09 seconds into the video.

https://www.facebook.com/bbenchblog/...650617040123/? - The rap song that plays at 0:26.

http://www.businessinsider.com/girls...debate-2016-3? - The techno that begins at 0:01.

Thank you!

2-Dr. Dre ft Snoop Dogg-the next episode

The first song is from "The Four Seasons", a group of four violin concerti by Italian composer Antonio Vivaldi. The music used in the video is from the "Winter" piece.

Thanks for the help everyone.