To find out more about Marshal Brass go here: https://thecrowhillcompany.com/explore/marshal-brass/
Here's that orchestral cheat sheet Christian mentioned: https://thecrowhillcompany.com/orchestral-cheat-sheet/
...and if you want it for your wall?: https://www.crowhillmerch.com/store/p/blagsheet-instruments-neon
...and a black and white one: https://www.crowhillmerch.com/store/p/photo-paper-poster-3
