My brother was an improviser. He's now a lobbyist, but he used to perform improv in the city when he was in high school, and one of the funniest guys I know to this day.
There is a strange sort of reasoning in Hollywood that musicals are less worthy of Academy consideration than dramas. It's a form of snobbism, the same sort that perpetuates the idea that drama is more deserving of Awards than comedy.

