He composed one of most recognizable riffs of all time, but Jack White is never more animated than when describing some unlikely detail sneaked into his work that probably escaped your notice. Plenty of these charming eccentricities are scattered throughout the legendary American rocker’s latest big venture: not a new album, but a monumental art exhibition. At first glance, White’s artworks are gaudy, Tim Burton -esque inventions, but they invite closer looking. Keen-eyed visitors will feast on color-coded references to his beloved back catalog or nods to his much-fabled start as a Detroit upholsterer across this impressive group of more than 100 sculptures, paintings, photographs, and pieces of furniture. Titled “ These Thoughts May Disappear ,” the exhibition features a mix of rare archival gems and new work. It remains on view at Damien Hirst ‘s vast Newport Street Gallery in London through September 13.…