During the past days, art director Karl Heinz Ern announced the definitive program of the 18th New Orleans Jazz Ascona festival. From June 28 to July 7, 2002, the Swiss town on the shores of Lake Maggiore will host no less than 250 concerts on 14 stages, for a total of 450 hours of music. 40 bands and over 300 artists are featured the program, among whom are several of the most acclaimed musicians on the contemporary New York and New Orleans classical jazz scene, as well as a few old j …