Intervals on Euphonium Studiohttps://euphonium.studio/tags/intervals/Recent content in Intervals on Euphonium StudioHugoen-usSun, 18 Jan 2026 00:00:00 +0000What does 'sounds a major ninth lower' meanhttps://euphonium.studio/notation/what-does-sounds-a-major-ninth-lower-mean/Sun, 18 Jan 2026 00:00:00 +0000https://euphonium.studio/notation/what-does-sounds-a-major-ninth-lower-mean/A major ninth is an octave plus a whole step. On a treble-clef euphonium part, a written C sounds the B♭ a major ninth below — the fixed interval that defines the brass-band transposition.