The chromatic staff approach does away with key signatures and accidentals entirely, which makes transposition trivial: http://musicnotation.org/ http://musicn

The chromatic staff approach does away with key signatures and accidentals entirely, which makes transposition trivial: http://musicnotation.org/ http://musicnotation.org/ This sacrifices vertical density, but density can be recovered by using finer vertical resolution and using notehead color to clarify position so it's still readable.