About halfway through the overture for the Quad City Music Guild's preview performance of The Wizard of Oz, my friend, sporting a huge grin, turned to me and whispered, "I feel like I'm watching the movie." With the thrillingly familiar strains emanating from music director Valeree Pieper's splendid orchestra, I agreed completely, and it's fair to say that over the next two-and-three-quarters hours, that feeling almost never waned.