https://www.youtube.com/watch?v=Soa3gO7tL-c The perfect example of the dark side embraced by Green Day since their 2005 revival, Boulevard was reportedly written during the band's extensive hiatus in between Warning and American Idiot - a period during which Billie Joe truly thought he'd ruined his career. Best Bit: The unforgettable tremolo effect on the song's underlying chord progression.