Brit-pop dandy Brett Anderson has used his London Suede vehicle to lyrically cruise through seamy, sinful underworlds that would scare the pantaloons off less carnal combos. And he’s a tireless diarist, judging from this anthology of 27 (!) U.K.-single B sides, each one—like the grim concert staple “Killing of a Flash Boy”—as fey, somber, and solid as any album track. “Have You Ever Been This Low?” Anderson wonders. If not, you will be soon. A