Mr. Hook began his career in drum corps with Shrine of the Little Flower in 1949. He played a soprano horn in Bracken, Reilly Raiders, and the Yankee Rebels. Harry Was the Vice President of the Yankee Rebels Alumni Association for a 3 years before becoming the President of the same organization for the next 10 years. He was a staff member of the Appaloosa Color Guard. He was one of the original members of the Yankee Rebels Alumni Drum Corps.
