A traditional Appalachian yodel over a 1987 Art of Noise synth track is one of the strangest anomalies in modern music, and the voice belongs to a man who learned his craft from the father of bluegrass himself. This deep dive traces Peter Rowan from his 1942 birth in Massachusetts and his 1956 rockabilly band the Cupids, through the Northeast folk revival, to his 1964 audition in Nashville that landed him the lead vocalist and rhythm guitar role in Bill Monroe's Bluegrass Boys, where he co-wrote the standard Walls of Time.

We follow his jump into the late 1960s counterculture with Earth Opera alongside David Grisman, opening for the Doors, joining Seatrain in 1969, and the two 1973 supergroups Muleskinner and Old and In the Way with Vassar Clements and Jerry Garcia. The episode explores his songwriting for the New Riders of the Purple Sage, ...