National Museum of African American Music | Nashville, TN One Nation Under A Groove About NMAAM NMAAM is the only museum dedicated to preserving and celebrating the many music genres created influenced and inspired by African Americans. The museums expertlycurated collections share the story of the American soundtrack by integrating history and interactive technology to bring the musical heroes of the past into the present. Learn More Explore Our Galleries Roots Theater Immersive Film Experiences Rivers of Rhythm Pathways The Evolution of African American Music Tradition Wade in the Water The African American Religious Experience Early 1600s to Present Crossroads Crossroads gallery chronicles the humble beginings of the blues in the forms of work songs and field hollers sang by sharecroppers and lumber mill workers throughout the postslavery deep south near the end of the 19th century A Love Supreme A Love Supreme Gallery tells the story of Jazz the quintessentially American style of music that carries some of the most deeply embedded African American music and cultural elements of any form of music. One Nation Under A Groove One Nation Under a Groove documents the history and influence of Rhythm and Blues emerging in the years following World War ll.