Hi David,
> To say something is "optimal", you have to state your objective.
I guess the immediate objective was to output [in the log] a list of pitches
given the 'music' input.
> music-map is used for changing music, and you don't appear to do any
> useful changes to the music. In fact, you replace note events with
> *undefined* which appears comparatively useless.
>
> So what are you trying to achieve here?
The longer-term objective is to write
\adjustMusic es e { c d es f g c' es' }
and get
{ c d e f g c' e' }
i.e., turn all E flats [at any octave] into E naturals.
Thanks,
Kieren.
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