"Telephone" is a song by American singer Lady Gaga from her third extended play, The Fame Monster —the reissue of her debut studio album, The Fame. Featuring American singer Beyoncé, it was released as the EP's second single on January 26, 2010. Gaga and Beyoncé wrote "Telephone" with Rodney Jerkins, LaShawn Daniels, and Lazonate Franklin. Jerkins was responsible for the production, with Gaga co-producing with him. Gaga originally wrote the song for Britney Spears, who recorded a demo. From Wikipedia
