Who played the composer of "The Liberty Bell" in Stars and Stripes Forever? 
John Philip Sousa:  Among his best-known marches are "The Stars and Stripes Forever" (National March of the United States of America), "Semper Fidelis" (Official March of the United States Marine Corps), "The Liberty Bell" (used as the theme for Monty Python's Flying Circus), "The Thunderer" and "The Washington Post".
i don't know