Mike Marshall is a bluegrass mandolinist who has collaborated with Darol Anger and a musician that started what record label?
Mike Marshall (musician): Mike Marshall (born Michael James Marshall, July 17, 1957 in New Castle, Pennsylvania) is a bluegrass mandolinist who has collaborated with David Grisman and Darol Anger. David Grisman:  In the early 1990s, he started the Acoustic Disc record label to help spread acoustic and instrumental music.
Acoustic Disc