Bluegrass & Gospel Joe Mullins & The Radio Ramblers have an energetic mix of quality Bluegrass and Gospel music, a professional presentation, inventive instrumental work, a wide variety of vocal arrangements including a capella quartets and tasteful, down-home humor. Their professionalism and successful, heavily played recordings have kept them in demand with a national audience. JMRR have been seen by thousands of fans across the country at nearly every national bluegrass event.