Ammo is an American record producer that produced songs by an American pop rock band featuring what lead singer?
Ammo (musician): Ammo (born Joshua Coleman) is an American record producer and songwriter. Ammo (musician):  Ammo has co-written and produced songs for Beyoncé, Kesha, Katy Perry, Pitbull, Maroon 5, Britney Spears, Jessie J, Jason Derulo, Mike Posner, Fifth Harmony, R. Kelly, Flo Rida, and Selena Gomez. Maroon 5: Maroon 5 is an American pop rock band that originated in Los Angeles, California. Maroon 5:  It currently consists of lead vocalist Adam Levine, keyboardist and rhythm guitarist Jesse Carmichael, bassist Mickey Madden, lead guitarist James Valentine, drummer Matt Flynn and keyboardist PJ Morton.
Adam Levine