It's On Again

Todd Martens of Los Angeles Times wrote that the song "feels a little like two songs smashed into one", one "underscored by slow-rising synths that add heft to the generally fierce intensity of Lamar" and the other "keeps Keys relatively restrained, as her voice sticks close to a warm beat", praising Pharrell and Zimmer production.^[2]

The music video of "It's On Again" was released on April 14, 2014 on Vevo and was directed by Rich Lee.^[3] It features appearances from the involved musicians and footage of the film.^[4]

On March 12, 2014, Columbia Records issued a press release announcing that "It's On Again" would be included on the soundtrack for The Amazing Spider-Man 2 (2014) and serve as the closing song for the film.^[5] The release included a statement from director Marc Webb, who described the process of selecting "a song that would be upbeat and exciting, but also contain a note of foreboding" to serve as the film's closing theme and praised "It's On Again" as the "perfect end note."^[5] Keys also expressed her excitement at working with Kendrick Lamar, producer Pharrell Williams and film composer Hans Zimmer, the latter of whom scores the film.^[5] On March 31, "It's On Again" was uploaded to Keys' official SoundCloud page^[6] and impacted mainstream urban radio in the United States.^[7] The following day, it was released digitally as a single.^[8]

The songs was performed for the first time on television on The Tonight Show with Jimmy Fallon.^[9] The song was also performed at the film's premiere concert in New York City.^[10]

"It's On Again" debuted on the Billboard Adult R&B Songs and Hot R&B/Hip-Hop Airplay charts at numbers 17 and 40 respectively on the chart week ending April 19, 2014.^[11]

• Digital download^[12]

1. "It's On Again" (featuring Kendrick Lamar) – 3:49
2. "It's On Again" – 3:14