In their first quarter-century together, Colorado-based jamgrass pioneers Leftover Salmon have enjoyed substantial success as a touring act, becoming an influential anchor of the jam band scene with their string-led mix of bluegrass, rock, Cajun, and other American roots traditions. Formed in 1989 in the college town of Boulder, they were born out of a merger between two local acts, the Salmon Heads and the Left Hand String Band. The initial chemistry of that early lineup solidified the longtime partnership of founders Vince Herman, Drew Emmitt, and Mark Vann. Heavy touring an...