"Break the Ice" is a song by American singer Britney Spears from her fifth studio album, Blackout (2007). It was released as the third and final single from the album on March 3, 2008, by Jive Records. The song was written by Nate "Danja" Hills, Jim Beanz, Keri Hilson and Marcella Araica, while production was handled by Danja and vocal production was handled by Beanz. "Radar" was originally planned to be released as the third single, but "Break the Ice" was released after it was chosen by a poll on Spears's official website. Musically, "Break the Ice" is an electro-R&B song with influences of crunk. The song opens with a choir and features synthesizers. Its lyrics deal with an attraction between two people. "Break the Ice" received critical acclaim, with reviewers praising its lyrics, production, Spears' vocal performance and deemed it a strong electronic song from the record.

"Radar" is a song by American singer Britney Spears from her fifth studio album, Blackout (2007). It was written and produced by Bloodshy & Avant and the Clutch, with additional writing from Henrik Jonback. The recording sessions took place the day after Spears filed for divorce from Kevin Federline, and members of the Clutch claimed to be surprised by her work ethic. "Radar" was originally planned to be released as the third single from Blackout, but "Break the Ice" was chosen instead. The song was then planned as the fourth single, but the release was cancelled as Spears began recording her sixth studio album, Circus (2008). "Radar" was later included as a bonus track on Circus, and released as the fourth and final single from the album on June 22, 2009, by Jive Records.