The subject of the song is the Doomsday clock, which has been monitoring the world's potential destruction from nuclear warfare since the 1940s. The clock's urgency is measured in its closeness to midnight. The clock reached '2 Minutes to Midnight' in 1953 when the Soviet Union was testing nuclear devices.
The title of this Guitar Hero song came from lead singer Kurt Cobain's friend (and Riot Grrrl singer) Kathleen Hanna, who spray painted 'Kurt Smells Like Teen Spirit' on his wall. Hanna was referring to the brand of deodorant Cobain's then girlfriend used, but Cobain viewed the meaning as revolutionary. It was not until months after the single was released that he discovered Teen Spirit is a brand of deodorant.
The 2007 album featuring 'Demon(s)' garnered massive attention from metalcore fans. Before becoming a Guitar Hero song, it was featured in an episode of the acclaimed HBO show 'True Blood.'
The most loved Guitar Hero 5 song by AOL Radio listeners is about dissociative identity disorder in which a person suffers from having several, distinct personalities. The lyric "Someday you too will know my pain, and smile its black-tooth grin" inspired Pantera guitarist Dimebag Darrell to name his favorite drink "Black-tooth Grin."

