The group's heyday was in the early and mid 1960s as their self-titled debut album topped the charts for weeks as they were even credited for popularizing the folk music revival. During that ...

Peter Yarrow, whose Peter, Paul and Mary trio helped bridge folk music into the pop world with such hit songs ... a cover of John Denver's "Leaving on a Jet Plane." The group also had five Top 10 ...

The singer and songwriter who helped popularize folk music in the 1960s died of bladder cancer at his home in New York.

In “Unknown,” of course, it’s a very big deal and the journey from aspiring teenage folkie arriving in New York City in 1961 to rock star blazing onstage at the Newport Folk Festival vividly ...