3CD - Playing for the Man at the Door: Field Recordings from the Collection of Mack McCormick 58–713 CD Box In the 1950s and 60s, the blues was the dominant form of Black vernacular music throughout Texas andthe surrounding areas. In segregated neighborhoods, community members gathered in saloons,dancehalls, and each other's homes to hear their neighbors sing their stories of sorrow, heartbreak,jubilation, and triumph. Robert "Mack" McCormick, an academically untrained but fanatical devotee of the blues, stepped into this world and became one of