About halfway through Addison Rae ’s Saturday evening set on Coachella’s main stage, after the Louisiana singer had implored her audience to “manifest something” for themselves and chant the hook of “Money is Everything,” I tried to take stock of what I was seeing. Rae’s setup was meticulous, maximalist, and totally unified—the boa made of hundred-dollar bills, the backup dancers who looked vaguely like mimes, the scaffolding that suggested Moulin Rouge! could be restaged somewhere between