Quasi-diatonic MOS notation: Difference between revisions

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New clefs need to be introduced to refer to arbitrary notes, in order to bridge the gap between the A clef (introduced specifically for this notation) and the C, F, and G clefs (shared with diatonic). Other clefs can just use blackletter/fraktur or cursive versions of the Latin letter until a standard clef is chosen (the Bohlen-Pierce H and J clefs are recommended for H and J).
New clefs need to be introduced to refer to arbitrary notes, in order to bridge the gap between the A clef (introduced specifically for this notation) and the C, F, and G clefs (shared with diatonic). Other clefs can just use blackletter/fraktur or cursive versions of the Latin letter until a standard clef is chosen (the Bohlen-Pierce H and J clefs are recommended for H and J).
Note that it is recommended to use conventional clefs where possible, including (primarily) the C, G, and F clefs, and (secondarily) the H and J clefs.


A clef refers to the closest note on a staff line with that name to A3 (an equave below A4). For example, in diatonic, the G clef refers to the G above middle C, because that's the closest G staff line to A3. Similarly, the F clef refers to the F below middle C, because that's the closest F staff line to A3.(So of course, a clef is only valid where such a staff line exists, i.e. in an octatonic scale where all the staff lines are A, C, E, and G, an F clef would not be valid. A J clef would also not be valid, because there is no note named J.)
A clef refers to the closest note on a staff line with that name to A3 (an equave below A4). For example, in diatonic, the G clef refers to the G above middle C, because that's the closest G staff line to A3. Similarly, the F clef refers to the F below middle C, because that's the closest F staff line to A3.(So of course, a clef is only valid where such a staff line exists, i.e. in an octatonic scale where all the staff lines are A, C, E, and G, an F clef would not be valid. A J clef would also not be valid, because there is no note named J.)