For David Bowie fans of a certain age who consider their golden years to be the ones spent couples-only-skating to “Ashes to Ashes,” “Fashion,” and “Let’s Dance,” Bowie Skate Night (held Feb. 4 at Los Angeles’s old-school Moonlight Rollerway rink) was a total moonage daydream. All the young dudes and pretty things put on their red wheels and skated the blues, under the serious Moonlight disco ball, all night long.