With the exception of Bob Dylan, Joan Baez was the most important artist to rise from the folk music movement that first blossomed in the late 1950s and early '60s. Baez was also the finest and most influential interpretive singer in contemporary folk; blessed with a soprano voice of uncommon clarity, her performances were emotionally compelling without resorting to histrionics. Early on, she recorded striking renditions of classic folk standards, as on her 1960 debut album Joan Baez, while later she would help popularize the work of songwriters such as Bob Dylan, Phil Ochs, a...