Joan Baez is a Mexican American folk singer and prominent activist in the fields of human rights, peace, and environmental justice. In the and she led 600 people in an antiwar demonstration in San Francisco,
Syd Barrett (6 January 1946 – 7 July 2006) was an English musician, composer, singer, songwriter and painter. He was a founder member of the band Pink Floyd, and was the lead vocalist, guitarist and principal songwriter during the band's early years, providing major musical and stylistic direction in their early compositions. He is credited with naming the band, but left the group in April 1968 and was briefly hospitalized amid speculation of mental illness exacerbated by drug use.