Gabriel Bello promises big things when he performs in Dorton Arena on the opening night of the N.C. State Fair this year. “We’ll be playing some of the best music that’s been put out in the last 50 to 100 years,” Bello recently told me. “Hopefully one of best bands people have ever heard.” Bello leads a Stevie Wonder tribute band (complete with backup singers and instrumentalists) called Natural Wonder. He obviously thinks highly of the legendary artist he emulates. However, he didn’t always think he’d be going on tour and entertaining people who love the music of Stevie Wonder….