Charles "Cow Cow" Davenport is one of those seldom remembered names in the annals of early blues history. But a little investigation will unearth the salient fact that he played an important part in developing one of the most enduring strains of the music; yes, "Cow Cow" Davenport was one hell of a boogie-woogie piano player. Davenport worked on numerous vaudeville tours on the TOBA circuit in the '20s and early '30s, usually in the company of vocalist Dora Carr. While he's principally noted as the composer of his signature tune, "The Cow Cow Boogie," which would be revived by...