Shaven-headed Johnny Heartsman did so many musical things so well that he's impossible to pigeonhole. His low-moaning lead guitar work greatly distinguished a myriad of Bay Area blues recordings during the '50s and '60s, and still played his axe with delicious dexterity and dynamics into the '90s. But Heartsman was just as likely to cut loose on organ or blow a titillating solo on flute (perhaps the unlikeliest blues instrument imaginable). He possessed a mellow, richly burnished voice to boot.
Through one of his principal influences, guitarist Lafayette "Thing" Thomas, a tee...