With the National Touring production of Wicked having played to sold-out crowds at the Prairie Alliance Theater in Peoria, Galesburg's Orpheum Theatre has its own hugely enjoyable, similarly themed performance in store with the May 16 national tour of A Wicked Evening with Louise Dearman, a showcase for the British talent who made history as the first (and, to date, only) actress to play both of that musical's lead roles, Glinda and Elphaba, full time under contract.