All the "problems" that this notation "fixes" are essentially non-issues for musicians who already know traditional notation.
All the "problems" that this notation "fixes" are essentially non-issues for musicians who already know traditional notation.
Meaning new students would have a much easier time learning naming notes and where they are - in my experience the typical child that has taken lessons for a couple of years is still scarcely capable of naming notes outside perhaps the 6-10 they're most comfortably with. Accidentals do not help.
And everyone would benefit from visual support for the intervals.
Here's an anecdote: I have been playing piano for many years but recently discovered, because my son is learning to play cello, that I have trouble taking his cello scores and playing them with my right hand. I can play bass clefs no problem in piano music with my right hand, but my brain is apparently trained to do the translation in that context. Without it, I have to focus to not accidentally read his single system scores as a G clef.
Similarly, I've seen his teacher, a cellist giving concerts, get temporarily confused over a G-clef violin score.
Yes, these are not huge problems, but I'm personally willing to believe we could have something better.
I'm not sure what I think about this new system but the "black key = accidental" association is probably not very helpful to anybody playing on/after an intermediate level as there are cases where accidentals mean white keys (for example f flat or g double sharp). It might be helpful if you're a beginner though.
And jazz and pop and rock and.... It is a universal language that allows musicians from many backgrounds to come together and play a tune together. Jazz is the most obvious example--where musicians often sightread a tune together. (Although, to be fair, a substantial part of jazz notation is chord symbols, which are not (directly) a part of traditional notation.)
lead sheets are solving a whole different problem and almost ALWAYS have the melody in traditional notation in addition to the chords. some lead sheets assume you already know the melody and can transpose to whatever key is relevant.... but still a lead sheet is there to give you hooks in order to aide improvisation.
jazz musicians have not "split off", they have added some chord notation above the traditional stuff.
I mean, pronounce all of these words that have the same combinations of the letters "ough": though, through, rough, cough, thought, bough, plough, ought and borough. The notation is the same, but it's clearly not adequate to express the difference between pronunciation. If you grew up with it, you Know how they're pronounced, but as a non-native you wouldn't.
I love it.