You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: COLONIAL AMERICA 
Clue: This pamphleteer called George III the "royal brute of Britain" who had usurped the rightful place of law
paine

Category: HARRY GUYS 
Clue: This trumpet-playing band-leader helped Sinatra get started, & lost him to the Tommy Dorsey band
harry james

Category: ALL-AMERICAN FOLKS 
Clue: Seen here, guitarist Rudy Gonzalez is the first man with this job to play the Kennedy Center

cowboy