The younger sister of witty singer-songwriter Loudon Wainwright III, Sloan Wainwright has taken her own path in building a musical career. With a multi-octave voice and an ability to combine sensitive original songs with unique renditions of songs by Sly and the Family Stone, the Grateful Dead and the Beatles, Wainwright has become one of contemporary folk music's most promising new artists. According to Dirty Linen, Wainwright's "voice carries the forthright, husky self-assertion of Joan Armatrading's early recordings; her unorthodox phrasing and poetic enunciation would plea...