Index of the statement's first note among the sounding notes of the melody, in time order. Notes that never sound are dropped before the search, so this is not an index into the caller's array unless the caller's array has none.
Onset of the statement's first note.
End of the statement's last note, exclusive.
Semitones this statement stands above the motif's first statement.
How much this statement is stretched against the motif's first: 2 for a statement in doubled note values, 0.5 for one in halved values, 1 for one in the same values.
One statement of a motif, addressed in the melody it was found in.
The notes themselves are not repeated here: a statement is the motif's notes moved by
transposeand stretched bytimeRatio, andnoteIndexaddresses the original array for a caller that wants them exactly.