Barbara Dane, a jazz, blues and folk music giant who tirelessly championed social justice movements from around the world, died of heart failure in her Oakland home on Oct. 20 at age 97, her daughter Nina Menendez told the San Francisco Chronicle. Praised for her rich voice, Dane was known not only for singing with Louis Armstrong and Muddy Waters, but also for founding Paredon Records with her husband, music scholar and activist Irwin Silber. From 1970 to 1985, the label put out over 50 albums that addressed racial justice, feminism and anti-imperialism, giving a platform to activist artists from...