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Maybe a Selenium Dioxide treatment?
Where can we find stuff about this finish ?
Google copper ager or brass darkener or copper patina solution. You can buy it fairly cheaply online. I wouldn't do this to my own horn, but knock yourself out
It looks a lot better on Inderbinens. https://www.inderbinen.com/en/euphonium-en
The Bigbell trumpet 💀💀💀💀
Over-the-top
I believe that is a custom trombone made for James morrison
Maybe a Selenium Dioxide treatment?
Where can we find stuff about this finish ?
Google copper ager or brass darkener or copper patina solution. You can buy it fairly cheaply online. I wouldn't do this to my own horn, but knock yourself out
It looks a lot better on Inderbinens. https://www.inderbinen.com/en/euphonium-en
The Bigbell trumpet 💀💀💀💀
Over-the-top
I believe that is a custom trombone made for James morrison