Chords is
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a specification for
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defining chords of string instruments,
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writing song lyrics with chords, and
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an implementation of the specification in PHP programming language.
The specification is located in specification/ directory and the
implementation in implementation/.
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Define named chords (including alternative names).
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Create chord diagrams, including string marks, fret offsets and barre notes.
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Export chord diagrams as SVG images.
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Write song lyrics and divide them into strophes, paragraphs and verses.
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Use repeated blocks and strophe references in lyrics.
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Include chords in lyrics.
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Create HTML or printable PDF outputs from song lyrics.
Example project that uses this library, PDF file with lyrics and SVG diagram of
a chord are located in example/.
Copyright © 2022 Jakub Jabůrek. All rights reserved.
Created as a part of the author’s bachelor’s thesis at Faculty of Information
Technology, Czech Technical University in Prague
(hdl.handle.net/10467/101798).