**FILE** Hip hop pioneers RUN-DMC create handprints in cement as they are inducted into Hollywood's RockWalk Monday, Feb. 25, 2002, in Los Angeles. Jason "Jam Master Jay" Mizell, left, Darryl "DMC" McDaniels, center, and Joseph "DJ Run" Simmons, produced the first rap album to go gold as well as the first rap act nominated for a Grammy. The National Museum of American History, part of the Smithsonian Institution in Washington, D.C., is announcing Tuesday, Feb. 28, 2006, its plans to embark on a collecting initiative, "Hip-Hop Won't Stop: The Beat, The Rhymes, The Life." (AP Photo/Krista Niles, File)