What Key Is Treble Clef Euphonium?
What Key Is Treble Clef Euphonium? The euphonium is a 4 valved tenor member of the brass family in the key of Bb. It is a non transposing instrument How do you play treble clef on euphonium? When you play treble clef euphonium, the music is transposed up an octave and a whole step (a