A mix between Adele's song "Rolling in the Deep" and The Piano Guys's cover of it.

http://www.youtube.com/watch?v=rYEDA3JcQqw
http://www.youtube.com/watch?v=lUjWJSnGVB0
http://www.youtube.com/watch?v=FGyIBnzJiyU

SoundCloud:
http://soundcloud.com/cezar-derevlean/adele-feat-the-piano-guys-rolling-in-the-deep

You can download it from here:
http://dcezar.com/main/#audio-section