Joan Baez
She is best known for her 1970s hits "Diamonds & Rust" and "The Night They Drove Old Dixie Down". She is also known for "Sweet Sir Galahad" and "Joe Hill."  She sang these songs at the 1969 Woodstock festival and the songs became famous. She is also well known due to her relationship with Bob Dylan and her love for activism in areas such as nonviolence, civil and human rights and the environment.