A few years ago I went down a rather unpleasant rabbit hole — or was it a tornado vortex? — and read up on the mind-shattering amount of abuse and tweaked out misery Judy Garland endured at the hands of studio heads, producers and even castmates while playing the rather innocent role of Dorothy Gale for the 1939 mega-production of MGM's The Wizard of Oz. My research almost put me off enjoying the film, which is already a haunted and borderline traumatizing experience to which most of us are subjected at an unreasonably early age. Anyway, a nice palette-cleansing panacea for all that evil would likely be found by catching the 2 p.m. matinee of the Humboldt Light Opera Company's production of that merry musical at the Van Duzer Theatre ($13-$19). It's bound to be a great show and will certainly not be darkened by the exploitative excesses of the big studio era of Tinseltown.