Hembree’s band combines powerful vocals and hot picking to bring a new sound to the bluegrass stage. Of Mr., Hembree’s many distinctions as a bluegrass performer over several decades, his tenure as a veteran band member of Bill Monroe & The Bluegrass Boys and Co-founder of the Nashville Bluegrass Band brings a special credibility to any Bluegrass Festival he performs at. This Bluegrass Band is like an onion: just when you unravel one layer, then there is another, and another…