Larry Appelbaum is a retired Music Reference Specialist in the Music Division at the Library of Congress. As the former Supervisor of the Library’s Magnetic Recording Laboratory, he discovered the Thelonious Monk-John Coltrane Carnegie Hall tapes and transferred, edited and mastered many classical, jazz and folk recordings for commercial release. As a critic, he is a contributor to the books Jazz: The First Century (2000), The Encyclopedia of Radio (2003), and Jazz: The Smithsonian Anthology (2011). He writes regularly for JazzTimes and other magazines and websites around the world, curates a jazz film series, and is a long time radio host on WPFW-FM in Washington D.C