Sam Bush is one of the all-time legends of acoustic music. From his work with New Grass Revival, to Strength in Numbers and his prolific solo career, Sam has set the standard for mandolin in modern day roots music. He's also a gifted singer and writer as well, with a long and storied career that intersects with so many titans of music. Chris talks to Sam about the different phases of his career, his impressions of where acoustic music is headed, the key to an authentic performance and so much more in this episode of Inside the Musician's Brain.  Learn more about your ad choices. Visit megaphone.fm/adchoices