Four Year Strong are Alan Day (Vocals/Guitar), Dan O’Conner (Vocals/Guitar), Joe Weiss (Bass), Josh Lyford (Synth), and Jake Massucco (Drums) and Enemy of the World is the follow up to their debut album Rise or Die Trying (2007). Influenced by the likes of Lifetime, Saves the Day, Gorilla Biscuits and New Found Glory and peers of Fall Out Boy, Panic! at the Disco and Gym Class Heroes, the band combine a heady mix of hardcore and pop-punk.