It's been 50 years since David Bowie retired his famous alter-ego Ziggy Stardust onstage, stunning his fans and some of his bandmates. The film capturing that performance, Ziggy Stardust and the Spiders from Mars, has been restored and reissued. Bowie spoke with Terry Gross in 2002. Lloyd Schwartz reviews a new album of Verdi choruses, and Justin Chang reviews Bottoms.