Whistling Frolf Disc

A friend asked me to make the most obnoxious disc I could for him so here it is! I have yet to test the actual disc's flight characteristics but after an entire day of R&D with different whistle chambers sizes, shapes and what not I do believe that this should work. I'll update later on with a report of its success.
Update 1: Alright so it kind of just makes a bit of noise, like a wiffle ball. I did whip it right into the outside of my building and it gave it a nice dent, however it's not real