K Kyle P New member Nov 10, 2009 #1 There is this weird black stuff on my bell of my YEP-202M Marching Baritone, and it is like impossible to get off. Any suggestions? This isn't just happening on my horn, but many others as well. Thanks in advance.
There is this weird black stuff on my bell of my YEP-202M Marching Baritone, and it is like impossible to get off. Any suggestions? This isn't just happening on my horn, but many others as well. Thanks in advance.
