HARMONIC CONVERGENCE African-American Ballads photographer unknown. Leadbelly, 1942. (The Charles L. Todd and Robert Sonkin Migrant Worker Collection, Library of Congress, American Folklife Center) African-American Gospel Diana Davies. Chambers Brothers. (courtesy of the Center for Folklife and Cultural Heritage, Smithsonian Institute) American Indian Robert Hutchings. Jingle Dress Dancer. Video still-grab from Wacipi-Powwow a production of Twin Cities Public Television. Anglo-American Ballads Sidney Robertson Cowell. Ben Pitts, Son of a 49er and singer of minstrel songs, 1939. (Library of Congress, American Folklife Center, WPA Sidney Robertson Cowell Collection) Bluegrass photographer unknown. Bill Monroe. (courtesy of Country Music Hall of Fame) Blues Dan Seeger, Sonny Terry, 1963. (The Southern Folklife Collect ion, Wilson Library, The University of North Carolina at Chapel Hill) Cowboy Songs Arthur Rothstein. Cowhands singing after day's work. Quarter Circle 'U' Ranch roundup. Big Horn County, Montana, 1936. (Library of Congress, Prints & Photographs Division, FSA-OWI Collection) Jazz William P. Gottlieb. Mary Lou Williams, New York, NY, ca. 1946. (William P. Gottlieb/Ira and Leonore S. Gershwin Fund Collection, Music Division, Library of Congress) Protest Songs photographer unknown. Woody Guthrie,1941. (courtesy of Woody Guthrie Archives, www.woodyguthrie.org) Ragtime William P. Gottlieb. Portrait of John Malachi, Washington, D.C., between 1938-1948. (William P. Gottlieb/Ira and Leonore S. Gershwin Fund Collection, Music Division, Library of Congress) Revival Songs Dorothea Lange. The Great Reaping Day. Hymn singing, Sunday afternoon, 1937. (Library of Congress, Prints & Photographs Division, FSA-OWI Collection) Spiritual Walker Evans. Negro church, South Carolina, 1944. (Library of Congress, Prints & Photographs Division, FSA-OWI Collection) Tex Mex photographer unknown. Leadbelly, 1942. (The Charles L. Todd and Robert Sonkin Migrant Worker Collection, Library of Congress, American Folklife Center) Tin Pan Alley Historic Sheet Music. In the Good Old Summer Time by composer George Ebans, 1902. (Rare Book, Manuscript, and Special Collections Library, Duke University) Work Songs Alan Lomax. "Lightnin" Washington, an African American prisoner, singing with his group in the woodyard at Darrington State Farm, Texas, 1934. (Library of Congress, American Folklife Center Collection) WORLD BEAT Lullabies Susan Schumacher. Baby Sophia, 1997. (courtesy of Susan Schumacher Photography) Freedom Songs Declan Haun. Picketing the Courthouse, Monroe, North Carolina, 1961. (courtesy of the photographer). Wedding Songs Melina Wiegmann, Wedding hands, May 27, 2000.(courtesy of Camelot Photography) COME TOGETHER Robert Hutchings. Video still-grabs from upcoming PBS special, Continental Harmony.