 Over the years on American Roots, we've made a few friends. Hi there, this is Dolly Parton. I'm the guy that plays the guitar called Lucille. This is Al Green. I'm Ray Charles. Gladys Knight. Emmylou Harris. Willie Nelson. Aaron Neville of the Neville Brothers. Cronus Quartet. Spinal Tap. Friday night at 9 here on WCBE Columbus.