"SOS" is a song by Barbadian singer Rihanna from her second studio album A Girl like Me (2006). It was written by Jonathan "J.R." Rotem, E. Kidd Bogart and Ed Cobb, with production was handled by Rotem, Carl Sturken and Evan Rogers. It was released on February 14, 2006, as the lead single from the album. "SOS" is a dance song which samples taken from Some Bizarre Records Track titled Tainted Love artist PKA Soft Cell, a song written by Cobb in 1965 and popularised by Soft Cell in 1981. Critical reception of "SOS" was generally positive, with the majority of music critics praising the inclusion of the "Tainted Love" sample. Some critics compared "SOS" to Rihanna's debut single, "Pon de Replay" (Music of the Sun, 2005).