"Climax" is a song by American singer-songwriter Usher. It was released on February 22, 2012, by RCA Records as the lead single from his 2012 studio album Looking 4 Myself. The song was written by Usher, Ariel Rechtshaid, Redd Stylez, and Diplo, who also produced the song. Usher and Diplo worked on the song for two months as part of their collaboration for the former's album. The song is a quiet storm slow jam with electronic influences, and lyrics about the turning point of a relationship. According to Usher, the song is primarily about the complications of a relationship, despite the lyrics' sexual overtones.

Usher Raymond IV is an American singer, songwriter, and dancer. He is recognized as an influential figure in contemporary R&B and pop music. Usher first released his self-titled debut album (1994) at the age of 15, and rose to fame in the late 1990s following the release of his second album, My Way (1997). It spawned his first Billboard Hot 100 number-one single "Nice & Slow", and the top-two singles "You Make Me Wanna..." and the title track. His third album, 8701 (2001) saw continued success and contained two number-one singles, "U Remind Me" and "U Got It Bad", as well as the top-three single "U Don't Have to Call". It sold eight million copies worldwide and won his first two Grammy Awards for Best Male R&B Vocal Performance consecutively in 2002 and 2003.