A Marine Corps Band New Orleans trumpet player makes his way down St. Charles during a March 2 parade. The band covers an average of 12 parades every Mardi Gras season, many stretching up to 6.5 miles long. (Official Marine Corps photo by Cpl. Jad Sleiman) - A Marine Corps Band New Orleans trumpet player makes his way down St. Charles during a March 2 parade. The band covers an average of 12 parades every Mardi Gras season, many stretching up to 6.5 miles long. (Official Marine Corps photo by Cpl. Jad Sleiman)