Born in Johannesburg, South Africa, and now calling Colorado home, horticulturist/musician Gregory Alan Isakov has cast an impressive presence on the indie-rock and folk worlds with his six full-length studio albums: That Sea, The Gambler; This Empty Northern Hemisphere; The Weatherman; Gregory Alan Isakov with the Colorado Symphony; Evening Machines (nominated for a Grammy award for Best Folk Album), and his newest album,  Appaloosa Bones. Isakov tours...