Hmmm, That Song Sounds Like This Song! [VIDEO]

Have you ever heard a song and think, "Hmm, that sounds just like another song!" Then you'll like this video.

Check out this guy or guys. Actually it's one guy then the old split screen so he is sitting next to himself. Both "guys" start playing and singing two different songs, but you can hear that it's really only the lyric that have changed!

What songs have you heard that sound like another song?