A Girl like Me is the second studio album by Barbadian singer Rihanna, who worked with Evan Rogers, Carl Sturken, StarGate, J. R. Rotem and label-mate Ne-Yo, who wrote the album's second single,  "Unfaithful" , written by who?
Unfaithful (song) "Unfaithful" is a song by Barbadian singer Rihanna from her second studio album "A Girl like Me" (2006). It was written by Shaffer "Ne-Yo" Smith with the song's producers StarGate. The song was released by Def Jam Recordings on May 2, 2006, as the second single from the album. "Unfaithful" is a pop and R&B ballad and was inspired by the works of American rock band Evanescence. Originally titled "Murderer", the single speaks about a woman who regrets cheating on her partner.
S&amp;M (song) "S&M" is a song by Barbadian singer Rihanna from her fifth studio album, "Loud" (2010). The song was released on January 21, 2011, as the fourth single from the album. The American songwriter Ester Dean wrote "S&M" in collaboration with the producers Stargate and Sandy Vee. Backed by bass beats, a keyboard and guitars, it is an uptempo hi-NRG-Eurodance track with lyrics that revolve around sexual intercourse, sadomasochism, bondage, and fetishes.