🔎 `Note.key` representation.

[demberto]

PyFLP/pyflp/pattern.py

Lines 133 to 134 in ceff918

	key = StructProp[int]() # TODO Separate property and chord/scale detection
	"""0-131 for C0-B10. Can hold stamped chords and scales also."""

The property name itself is ambiguous, it holds stamped scales and chords as a whole, not as 3 separate notes. This makes FL remember the grouping.