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"): They spent time in New York City to further build their career, appeared on national television and toured 47 of the lower 48 states in a unique 1955 Greyhound Scenicruiser, performing up to 320 times a year both solo and as an opening act for other bands.
Relevant evidence: No