Joan Chandos Baez is an American singer, songwriter, musician, and activist. Her contemporary folk music often includes songs of protest and social justice. Baez has performed publicly for over 60 years, releasing more than 30 albums. From Wikipedia
Sanders' 'Fighting Oligarchy' tour hits a high point with 36,000 attendees in Los Angeles and a surprise Coachella appearance, rallying support against Trump's policies and billionaire influence.
