What instrument was played by the man who was part of the New Grass Revival, along with Bela Fleck, John Cowan and Pat Flynn?
Deviation (Béla Fleck album):  It was recorded with the second classic line-up of the New Grass Revival, consisting of Béla Fleck, Sam Bush, John Cowan and Pat Flynn. Sam Bush: Charles Samuel "Sam" Bush (born April 13, 1952) is an American bluegrass mandolin player considered an originator of the Newgrass style.
i don't know