Celia Rubio Madrigal submitted the
ddphonism
package.
Version number: 0.1 2019-08-10 License type: lppl1.3c
Summary description: LaTeX package for twelve-tone matrices, clock diagrams et al
Announcement text: ----------------------------------------------------------------------
New music-related package with ttelve tone system commands.
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This package is located at http://mirror.ctan.org/macros/latex/contrib/ddphonism
More information is at http://www.ctan.org/pkg/ddphonism
CTAN is run entirely by volunteers and supported by TeX user groups
Please join a user group; see http://www.tug.org/usergroups.html .
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Thanks for the upload.
For the CTAN Team Ina Dau