Where a pitch sits on the key's ladder of scale tones.
rung counts scale tones from the tonic and continues across octaves, so
adding to it moves by scale degrees; it is negative below the tonic of octave
0. offset is how many semitones the pitch sounds above that rung, which is 0
for a scale tone and positive for one between two of them.
Where a pitch sits on the key's ladder of scale tones.
rungcounts scale tones from the tonic and continues across octaves, so adding to it moves by scale degrees; it is negative below the tonic of octave 0.offsetis how many semitones the pitch sounds above that rung, which is 0 for a scale tone and positive for one between two of them.