New Grass Revival, formed in 1972 by four former members of the Bluegrass Alliance, flourished in a decade when numerous groups took traditional bluegrass and changed it to varying degrees. The group was successful enough to have the group's name become a generic label: "newgrass." The band's image, with long hair and occasionally electrified instruments, as well as its musical material contrasted greatly with standard (traditional) bluegrass like that played by Bill Monroe, Ralph Stanley, the Lilly Brothers, and Lester Flatt's band. In terms of longevity, popularity, and expo...