Cannonball Adderley, Mary Lou Williams and Freddie Hubbard are celebrated in Smithsonian Institution concerts next October, February and April; a December “Swingin’ in the Holidays” performance by the Smithsonian Jazz Masterworks Orchestra completes its year’s jazz offerings. Well, there’s also Jazz Appreciation Month in April (otherwise known for fools and taxes) during which the Smithsonian encourages and promotes jazz activities in the U.S. and abroad. Does this represent enough support of jazz, a Congressionally recognized American treasure, by one of America’s major cultural institutions?