The idea of a scrappy young band that single-handedly breathes life back into rock 'n' roll is now a permanent feature of pop mythology--in part because that's what the record business desperately desires. The genre has been slowly stagnating for decades as its fans age and its biggest acts look back on past glories. Currently, the leading candidate for band-as-savior is the Montreal-based septet Arcade Fire. Fronted by the married duo Win Butler and RĂ©gine Chassagne, the band is being positioned to leap from subcultural renown to full-on rock stardom with its new album, Reflektor.
Arcade Fire is arguably a very...