David Bowie’s sixth studio album, Aladdin Sane, which gave the Starman his first chart-topper on May 5, 1973, was also arguably his most troubled LP. It was the first he had written from a position of real stardom, after 1972’s The Rise and Fall of Ziggy Stardust and the Spiders from Mars had become a smash on both sides of the Atlantic… and he wrote it mostly while touring Ziggy Stardust in America. If Aladdin Sane is Ziggy’s follow-up, it is also a grittier, bluesier album, and expands the preceding LP’s darker themes – of fame, mental health, decadence, a fracturing of human relationships –…