The creation of No Doubt's first album since 2001 wasn't easy – but after four years of hard work, they've finally completed this upbeat set of reggae grooves, Eighties-style synth-pop jams and at least one mega power ballad. Then there's the title track, which fluctuates wildly between genres and tempos. Says bassist Tony Kanal, "It's our 'Bohemian Rhapsody.'"