I don't own the art or the music and bla bla bla. Just enjoy the video.
Lyrics at the bottom.
Soundcloud:
https://soundcloud.com/lucariofool/stronger-than-you-undertale-parody-sans-and-chara-duet-normal-roles-original
Download Link:
http://www.mediafire.com/listen/uvvj17lfc223e61/Stronger+than+You+(Undertale+Parody)+Sans+and+Chara+Duet+(Normal+Roles).mp3
Picture Source:
http://97274.tumblr.com/post/131212580531/genocide
Chara vocals (Milkychan):
https://www.youtube.com/watch?v=co5Zo6Ng9-c
Sans
آی-ویدئو