Answer: I hope this helps
Explanation:
William D. Revelli was an American music educator and conductor best known for his association with the University of Michigan, where he directed the university's bands including the Michigan Marching Band 1935 to 1971.
This is probably a joke but I'll answer anyway
By 'cheeks' they mean buttocks so by "making them clap" is referring to them being so big/thick that they clap or make noise when you walk or move around or something.
I probably got played lol but whatever
