Extensive field recordings were begun in 1964 and expanded to include film documentation beginning in early/mid 1969, including sessions in Chicago, St. Louis, Memphis and the Mississippi Delta. In the 1970s, the label began issuing folk, jazz and blues-rock albums. The latter were significantly important to the development of that genre.
Field recordings were initiated in 1964, expanding to encompass film documentation from early/mid 1969, including sessions in Chicago, St. Louis, Memphis, and the Mississippi Delta. In the 1970s, the label began releasing folk, jazz, and blues-rock albums. These latter were crucial to the development of that genre.