Although she was a powerful blues guitarist, songwriter, and singer, Deborah Coleman got her first inspiration from an unlikely place: seeing the pop group the Monkees on TV. Born in Portsmouth, Virginia and raised in a military family, Coleman took to music easily enough, since her dad played piano, two brothers played guitar, and a sister played guitar and keyboards. She picked up the guitar at age eight after seeing the Monkees and began to play professionally at 15, playing bass with a series of Portsmouth-area R&B and rock bands. She later switched to guitar after hearing...