Courtesy of NMAAM One Nation Under a Groove gallery recounts the history of R&B from WWII to present day. Nashville’s long-anticipated National Museum of African American Music (NMAAM) is now open to the public on a limited schedule. NMAAM, which recently received a $1 million donation from Amazon and established a music education partnership with Sony Music Group, vividly tells the story of Black culture’s contributions and influences throughout the history of American music. Once inside the 56,000 square-foot space, patrons can interact with six permanent exhibits that span several cen...