"It's On Again" is a song by American singer Alicia Keys featuring American rapper Kendrick Lamar. The song was written for the 2014 superhero film The Amazing Spider-Man 2 by the artist alongside the producers, Hans Zimmer, who scored the film, and Pharrell Williams. It was released on March 31, 2014 as the lead single from the film's soundtrack. The song was nominated at the 15th Black Reel Awards for Outstanding Original Song.