Question: The American bluegrass and country rock band "Mission Mountain Wood Band" had this American singer, instrumentalist (playing guitar and banjo), songwriter, and politician as original member who was involved with what political party?
Sentence (from "Mission Mountain Wood Band"): The original five members were Rob Quist, Steve Riddle, Christian Johnson, Greg Reichenberg, and the late Terry Robinson, all of whom were UM students and born in Montana.
Relevant evidence: Yes