Born in Lexington, Kentucky on August 27, 1937, J.D. Crowe learned the rules of bluegrass so thoroughly that he earned the right to rewrite them. This episode follows his early gigs with Pee Wee Lambert and Curly Parker, his 1954 hiring at age 17 by Jimmy Martin's Sunny Mountain Boys, and the 42 studio tracks he recorded with Martin between 1956 and 1960 that made him a flawless rhythmic engine playing a fraction ahead of the beat.

The hosts explore his 1961 move to bandleader with the Kentucky Mountain Boys, featuring Red Allen, Doyle Lawson and Larry Rice, the 1971 rebranding as the New South, and the landmark 1975 Rounder album with Tony Rice, Ricky Skaggs, Jerry Douglas and Bobby Slone that brought jazz chords, rock energy and covers of Gordon Lightfoot and Gram Parsons into bluegrass without a Dylan-goes-electric backlash. They examine ...