“The protagonist in "Sprawl II (Mountains Beyond Mountains)", the penultimate track from the Arcade Fire's forthcoming third full-length, The Suburbs, is dissatisfied. Dissatisfaction isn't a new theme for these guys; Funeral dealt with the seething angst that comes from personal loss, while the band ground its gears against Big World Problems on Neon Bible. However, the voice on "Sprawl II" comes ”