SPIRITUALIZED  Crossing continents in a quest to find the heart and see the light   Jason “J. Spaceman” Pierce, frontman and guiding light of English rock band Spiritualized, adamantly disagrees with those who think music must follow rules. After all, he’s been swirling rock, R&B, pop and more into richly textured sonic landscapes throughout his career. But there’s one rule in which he believes fiercely: There’s a delicate but real...