The document provides background information on the origins and development of the blues music genre. It originated in African American communities in the southern US in the late 19th century, combining elements of spirituals, work songs, and field hollers. The blues were characterized by a call-and-response structure between a singer and guitarist. The document also profiles Mississippi Fred McDowell as an early blues artist from Mississippi who played slide guitar using a pocket knife or beef rib bone and performed at dances and picnics. It briefly introduces the short story "The Treasure of Lemon Brown" which will be about a character named Lemon Brown.