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Re: music21

From: Jan-Peter Voigt
Subject: Re: music21
Date: Wed, 14 Oct 2020 16:37:18 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0

Am 13.09.20 um 22:57 schrieb Jean Abou Samra:
> The Net is a surprisingly vast place. Did you ever hit this link?
> It's a Python library that, among musicological tasks, features
> import from a dozen of different file formats, including MusicXML,
> MIDI and ABC, as well as export to LilyPond.
> Performing the conversion seems to be as simple as
> from music21 import *
> converter.parse('/path/to/input.[ext]').write('lilypond',
> '/path/to/')
> I have been unsuccessfully trying to show `make check` output when
> using this converter…  See the dev/jas/test-music21-2 branch in case
> you're interested. Anyway, here is a simple ABC file:
> X:1
> T:Notes
> M:C
> L:1/4
> K:C
> C, D, E, F,|G, A, B, C|D E F G|A B c d|e f g a|b c' d' e'|f' g' a' b'|]
> Attached are four LilyPond files. Two of them are produced using abc2ly
> and music21. The remaining two are the result of processing music21
> MusicXML output via musicxml2ly and xml2ly.
> Neither option is perfect; the xml2ly route seems to do the best job
> though.
> I'm running out of time for LilyPond right now, but I wanted to
> mention this
> thing. Maybe we can make a good anything2ly converter out of it, possibly
> pairing its MusicXML support with xml2ly. Being a Python library makes it
> easy to include in Frescobaldi.
> Cheers,
> Jean -- in a puzzled state of mind.
Music21 is a great tool I had to use recently. MusicXML im- and export
is very good. The Lilypond-export should be improved and Lily-import
would need some preprocessing, but I am going to look at it.


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