Mickey Hart is best known for his three decades with the Grateful Dead and his incorporation of percussion instruments and sounds from around the world in the band's repertoire. Hart's passion for the world's music has led him to many great teachers and collaborators. A well-known spokesperson and advocate for the restoration and preservation of the world's aural treasures, Hart serves on the Board of Trustees of the American Folklife Center and on the National Recorded Sound Preservation Board at the Library of Congress K. M. Kostyal has written frequently on historical topics and world travel