The song is called Demolition Lovers. This is track 11 of their first album, I Brought You My Bullets, You Brought Me Your Love. The lyrics are in the video. This song is by MCR.

DISCLAIMER: I do not own this artist, or this track. All content belongs to My Chemical Romance, WMG and it's respective shareholders and record companies. This video was made solely for entertainment purposes, no profit involved for any party.