IT’S BEEN 50 YEARS since Elton John put out his first single, “I’ve Been Loving You,” an inauspicious start for one of the 20th century’s greatest rock stars—it was withdrawn shortly after its release. But when he headed to the States two years later to promote his self-titled second album, his fortunes changed literally overnight. “It was all just one night, that one night at the Troubadour,” Bernie Taupin, Elton’s longtime songwriter and collaborator, told Rolling Stone in 1973. “The next morning, like, wham, bam, there on the front of all the papers…”
That was just the beginning of a long, hugely successful career that includes enduring classics like “Rocket Man,” “Tiny Dancer,” “Daniel,” and “Crocodile Rock”—all recorded in a single year (1972)—and more than 30 studio albums. And with…