Programming Fail

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• Subject: [mg132019] Programming Fail
• From: Dean Rosenthal <deanrosenthal at gmail.com>
• Date: Sun, 17 Nov 2013 18:22:15 -0500 (EST)
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```Hi:

My question is going to take all of you about a split second to answer.
Sadly, programming is something I seem to be congenitally incapable of
teaching myself and doing well.  I usually just cut and paste specifics
into prewritten algorithms.

If you do this

pitchMap = {1 -> {"C4", "D4"}, 2 -> "D4", 3 -> "E4", 4 -> "F4", 5 -> "G4"};

You get a music player and can play the result.

If you do this:

A = NestList[
StringReplace[#, {"0" -> "2", "2" -> "12", "1" -> "23", "3" -> "45",
"4" -> "56"}] &, "0", 7]

pitchMap = {0 -> "B4", 1 -> "C4", 2 -> "D4", 3 -> "E4", 4 -> "F4", 5 ->
"G4",
6 -> "A4"};

You get nothing, just output.  See what I did there?  I substituted,
because that's what you do if you don't know how to program!  On the face
of things, I can't see why it wouldn't work, but I've wasted at least an
hour going through documentation and Googling and trying different
approaches.  I'm not a programmer and I can't seem to teach myself how to
do this, ideas?

Thanks,

Dean

```

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