Q: How do I get rid of buzzing in my chromatic?

A: This is probably caused by one of the windsavers getting a bit stuck.
Windsavers are the little plastic valves that are over the reeds. You can
un-stick them using a toothpick or other sharp but soft device. Note that
windsavers in on he draw notes are outside the reed plates, but that the
windsavers on the blow reeds are on the inside. Sometimes there is a pair
of windsavers in a hole (two on top of each other) — BB