One of American music's most legendary acts, Peter, Paul and Mary both defined and transcended the 1960s Folk revival. The trios stellar harmonies delivered classic recordings that topped the charts and communicated their passionate commitment to peace and social justice. This thirteen song compilation, originally released in 1970 and now over double platinum, is a definitive introduction to the groups seminal songs. Among the highlights are the GRAMMY winning Billboard. Top 10 singles "Blowin' in the Wind" and "If I Had a Hammer," the #1 smash "Leaving on a Jet Plane," the timeless "Puff (The Magic Dragon)" and other signature classics including "500 Miles" and "I Dig Rock & Roll Music."