Joan MarcusFor every person who claims that Tempe's Gammage Auditorium is a marvel of acoustic excellence, you can probably find one who's been subjected to plays that sound like talking mud. Apparently, it has to do with where you're sitting and what kind of performance it is -- whether it's instrumental or vocal, and where the sounds fall in the audible-by-humans range.
So I'll give the touring production of Chitty Chitty Bang Bang, which I saw on its first night in the Valley, a bit of a pas
