Steven Franzen submitted the
chordbox
package.
Version number: 1.0 2019-04-14 License type: lppl1.3
Summary description: Draw chord diagrams
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This package provides two macros for drawing chord diagrams, as may be found for example in chord charts/books and educational materials. They are composed as TikZ pictures and have several options to modify their appearance.
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This package is located at http://mirror.ctan.org/graphics/pgf/contrib/chordbox
More information is at https://www.ctan.org/pkg/chordbox
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Thanks for the upload.
For the CTAN Team Erik Braun
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