One of American music s most legendary acts, Peter, Paul and Mary both 　　defined and transcended the 1960s folk revival. The trio s 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 group s 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.