an auphonium is a total differnt instrument then a trombone and how do you wanna let 1 player play a whole chord at the same time; now we have some good buzzers who can play a tone and a tone extra but not a full chord.......
Nice idea, but lacking in execution. A euphonium or trombone (or any wind instrument for that matter) is really only able to play one note at a time. They can't play those chords. However, this would be really fun if you rewrite it for trombone QUARTET, and maybe extend it by adding a couple easy variations, just like people play on the piano! :)
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