(Ken Burns opens the category for us.) On January 8, 2001 the series "Jazz" premiered with a look at this birthplace of jazz, the USA's most cosmopolitan city at the turn of the 20th century
[DOC] [TLE] Making America's Music: Jazz History and the Jazz Preservation Act ... [PAR] Recognition for jazz as American music, in conjunction with its ... form of jazz 
have been denitive throughout its development in the twentieth century.