Leftover Salmon

Boulder, Colorado's Leftover Salmon has been at it since 1989, when the Salmon Heads and the Left Hand String Band merged into something nobody had a clean name for — so they coined one: Polyethnic Cajun Slamgrass. Among the first bluegrass outfits to add drums and play rock bars, they helped build the jam-grass template that dozens of bands still follow. Founders Vince Herman and Drew Emmitt…