Bluegrass Hall of Fame and Doobie Brothers member John Cowan, with fiddler Andrea Zonn, introduce The HercuLeons, a six-piece band blending Appalachian, soul, rock, and jazz into Pop Americana. Emerged in 2020 with Wendy Waldman. Cowan, voice of Newgrass with New Grass Revival (inducted into Bluegrass Hall of Fame 2020), applies vocals to multiple genres. Zonn tours with James Taylor, Vince Gill, Lyle Lovett.