"Friend, asshole, angel, mutant," singer-songwriter Vic Chesnutt "came along and made us gross and broken people seem . . . I dunno, cooler, I guess." A quadriplegic who could play only simple chords on his guitar, Chesnutt recorded seventeen critically acclaimed albums before his death in 2009, including About to Choke , North Star Deserter , and At the Cut . In 2006, NPR placed him in the top five of the ten best living songwriters, along with Bob...