“E.T.” is a song by American recording artist Katy Perry taken from her third studio album, Teenage Dream (2010). The single version features additional rap verses by American rapper Kanye West. Dr. Luke, Max Martin, and Ammo all co-wrote the song with Perry, and co-produced with West.
Played over a “stomp-stomp-clap” beat similar to Queen’s “We Will Rock You” (1977), “E.T.” is an electronic and hip hop ballad influenced by drum and bass, rave, techno, and dubstep, that tells of “falling in love with a foreigner”. Extraterrestrial metaphors are used throughout the song’s lyrics, and West’s vocals make heavy use of Auto-Tune during his second verse. The song is set in slow tempo with 75/150 beats per minute. Critics compared the song to several artists, including Rihanna, Evanescence, t.A.T.u. and Queen.