Attics are emptying, it seems, as the families of jazz greats prepare to sell off heirlooms at Guernsey's in New York City on Feb. 20, in the biggest auction ever devoted to the genre. To raise money for jazz charities, museum curators will compete with online eBay bidders for some 430 lots, including these treasures. --By Jeremy Caplan
BENNY GOODMAN'S CLARINET The swing-era bandleader's 1974 Selmer B-flat clarinet comes with reeds he used. Proceeds go to his foundation for jazz scholarships. Estimate: $100,000
THELONIOUS MONK'S JACKET This custom-made smoking jacket with velvet lapels was one of Monk's favorites onstage and off....