Brass Instrument emojis

There are some musical instrument emojis, e.g. Saxophone 🎷 and Trumpet 🎺, but there could be more of course, as long as they’re clearly visually distinct. 

## Petitions

- [change.org: Euphonium](https://www.change.org/p/apple-samsung-make-a-euphonium-emoji)
