By Brandy McDonnellA version of this story appears in Tuesday's The Oklahoman.Continuing musical mission: Former state teacher of the year Peter Markes to open Festival of the ArtsPeter Markes punctuated the sentence that changed his life with a smiley face.The Oklahoma City musician was exchanging emails with his lifelong friend and bandmate Kyle Dillingham about a possible regional showcase for their acclaimed Americana outfit Kyle Dillingham & Horseshoe Road, with Markes struggling to fit the promising prospect into his busy schedule as Edmond North High School Orchestra director.“In the last line, I said, ‘Sounds like I need to resign.’ Smiley face.Read more on NewsOK.com