Peter Yarrow, who also co-wrote the group’s most enduring song, 'Puff the Magic Dragon,' died in New York on Jan. 7.

Peter Yarrow, the singer-songwriter best known as one-third of Peter, Paul and Mary, the folk-music trio whose impassioned ...

Modulation effects are one of our pedalboard’s essentials. But where do they come from and what do they do? We explore the history of modulation, from amps and studio hardware to compact stompboxes ...