"If U Seek Amy" is a song by American singer Britney Spears from her sixth studio album, Circus (2008). It was released on March 10, 2009, by Jive Records as the third single of the album, chosen by a poll on Spears's official website. "If U Seek Amy" was written and produced by Swedish producer Max Martin, who also wrote previous hits for her first three albums. In the song, Spears is looking for a woman named Amy in a club, and although it appears to be about sex, it is actually about how society perceives her life. Musically, "If U Seek Amy" makes use of instruments such as keyboards and timpani.

"Circus" is a song by American singer Britney Spears. It was released on December 2, 2008, through Jive Records as the second single from her sixth studio album of the same name. Written by Dr. Luke, Claude Kelly and Benny Blanco, "Circus" is a metaphor for the public's perception of Spears' life. After she listened to the track for the first time, she felt inspired to create an album and a tour with a circus theme. "Circus" is an uptempo electropop and dance-pop song with elements of pop rock and "half-rapped" vocals. The song's lyrics talk about being an entertainer and putting on shows.