With his skill and his broad definition of the meaning of bluegrass music, Mike Auldridge became known over his multi-decade career as a master of the dobro, or resonator guitar. Raised in Kensington, Maryland, he began playing guitar at 12, adding banjo when he was 16 and settling on Dobro at 17. In 1954, he made his first radio appearance on a local show, playing in a band with his brother, Dave. He graduated from the University of Maryland in 1967 and became a commercial artist, while continuing to play at local clubs. In 1969, he joined the New Shade of Green. That group s...