How to Transpose the Bass Clef to the Treble Clef for the Euphonium
The euphonium, a brass horn that is built in the key of B flat, is typically used as a bass instrument. It is common for many euphonium parts to be written in treble clef for trumpet players. There is some transposition, or changing of musical keys, that goes on when the clefs are changed. The interval between a bass clef and a treble clef for euphonium is a major ninth. Despite the large jump, the euphonium will still remain in the lower registers.
Instructions
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1
Write out the music to be transposed in bass clef on the first sheet of paper.
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2
Indicate that the music will be in treble clef on the second sheet of paper.
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3
Copy each note of the first paper, but raise each one a major ninth. This is equivalent to an octave and a whole step.