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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<!-- Google tag (gtag.js) -->
<script
async
src="https://www.googletagmanager.com/gtag/js?id=G-P2CGDGRJKB"
></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag() {
dataLayer.push(arguments);
}
gtag("js", new Date());
gtag("config", "G-P2CGDGRJKB");
</script>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Matrix Maker: A Free Online 12-Tone Matrix Generator</title>
<meta
name="description"
content="Matrix Maker is a free online 12-tone matrix generator for atonal composers and students of music composition."
/>
<meta property="og:locale" content="en_US" />
<meta property="og:site_name" content="Matrix Maker" />
<meta
property="og:title"
content="Matrix Maker: A Free Online 12-Tone Matrix Generator"
/>
<meta
property="og:description"
content="Matrix Maker is a free online 12-tone matrix generator for atonal composers and students of music composition."
/>
<meta property="og:url" content="https://12tone.app" />
<meta
property="og:image"
content="https://12tone.app/assets/matrix-maker-open-graph-image.png"
/>
<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="630" />
<link rel="icon" href="/assets/favicon.png" sizes="512x512" />
<link rel="icon" href="/assets/favicon-32x32.png" sizes="32x32" />
<link rel="icon" href="/assets/favicon-192x192.png" sizes="192x192" />
<link href="/styles/css-reset.css" rel="stylesheet" />
<link href="/styles/matrix.css" rel="stylesheet" />
<link href="/styles/tone-row.css" rel="stylesheet" />
<link href="/styles/keyboard.css" rel="stylesheet" />
<link href="/styles/layout.css" rel="stylesheet" />
<link href="/styles/utility.css" rel="stylesheet" />
<script src="/scripts/app.js" type="module"></script>
</head>
<body>
<h1 class="sr-only">Matrix Maker</h1>
<div class="application-wrapper">
<header class="header" id="header">
<div class="header__content-wrapper">
<label for="note-display-type-select" class="sr-only"
>Note display type</label
>
<select name="note-display-type-select" id="note-display-type-select">
<option value="SHARP">Sharp</option>
<option value="FLAT">Flat</option>
<option value="NUMBER">Number</option>
</select>
<button class="clear-tone-row-button" id="clear-tone-row-button">
Reset
</button>
</div>
</header>
<div class="application-body">
<div class="top-of-screen-wrapper">
<div class="empty-matrix-placeholder" id="empty-matrix-placeholder">
<p class="empty-matrix-placeholder__heading-top">
Tap the keys below to begin generating your matrix.
</p>
<p class="empty-matrix-placeholder__heading-bottom">
Tapping a selected key will remove it from the tone row.
</p>
</div>
<section class="matrix-container hidden" id="matrix-container">
<h2 class="sr-only">Matrix</h2>
<div class="matrix-container__row matrix-container__row--top">
<div class="axis-corner"></div>
<div class="axis axis--x" data-axis="I">
<div class="axis-cell" data-axis-cell="0"></div>
<div class="axis-cell" data-axis-cell="1"></div>
<div class="axis-cell" data-axis-cell="2"></div>
<div class="axis-cell" data-axis-cell="3"></div>
<div class="axis-cell" data-axis-cell="4"></div>
<div class="axis-cell" data-axis-cell="5"></div>
<div class="axis-cell" data-axis-cell="6"></div>
<div class="axis-cell" data-axis-cell="7"></div>
<div class="axis-cell" data-axis-cell="8"></div>
<div class="axis-cell" data-axis-cell="9"></div>
<div class="axis-cell" data-axis-cell="10"></div>
<div class="axis-cell" data-axis-cell="11"></div>
</div>
<div class="axis-corner"></div>
</div>
<div class="matrix-container__row matrix-container__row--middle">
<div class="axis axis--y" data-axis="P">
<div class="axis-cell" data-axis-cell="0"></div>
<div class="axis-cell" data-axis-cell="1"></div>
<div class="axis-cell" data-axis-cell="2"></div>
<div class="axis-cell" data-axis-cell="3"></div>
<div class="axis-cell" data-axis-cell="4"></div>
<div class="axis-cell" data-axis-cell="5"></div>
<div class="axis-cell" data-axis-cell="6"></div>
<div class="axis-cell" data-axis-cell="7"></div>
<div class="axis-cell" data-axis-cell="8"></div>
<div class="axis-cell" data-axis-cell="9"></div>
<div class="axis-cell" data-axis-cell="10"></div>
<div class="axis-cell" data-axis-cell="11"></div>
</div>
<div class="matrix-rows" id="matrix-rows">
<div class="matrix-row" data-matrix-row="0">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
<div class="matrix-row" data-matrix-row="1">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
<div class="matrix-row" data-matrix-row="2">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
<div class="matrix-row" data-matrix-row="3">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
<div class="matrix-row" data-matrix-row="4">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
<div class="matrix-row" data-matrix-row="5">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
<div class="matrix-row" data-matrix-row="6">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
<div class="matrix-row" data-matrix-row="7">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
<div class="matrix-row" data-matrix-row="8">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
<div class="matrix-row" data-matrix-row="9">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
<div class="matrix-row" data-matrix-row="10">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
<div class="matrix-row" data-matrix-row="11">
<div class="matrix-cell" data-matrix-cell-column="0"></div>
<div class="matrix-cell" data-matrix-cell-column="1"></div>
<div class="matrix-cell" data-matrix-cell-column="2"></div>
<div class="matrix-cell" data-matrix-cell-column="3"></div>
<div class="matrix-cell" data-matrix-cell-column="4"></div>
<div class="matrix-cell" data-matrix-cell-column="5"></div>
<div class="matrix-cell" data-matrix-cell-column="6"></div>
<div class="matrix-cell" data-matrix-cell-column="7"></div>
<div class="matrix-cell" data-matrix-cell-column="8"></div>
<div class="matrix-cell" data-matrix-cell-column="9"></div>
<div class="matrix-cell" data-matrix-cell-column="10"></div>
<div class="matrix-cell" data-matrix-cell-column="11"></div>
</div>
</div>
<div class="axis axis--y" data-axis="R">
<div class="axis-cell" data-axis-cell="0"></div>
<div class="axis-cell" data-axis-cell="1"></div>
<div class="axis-cell" data-axis-cell="2"></div>
<div class="axis-cell" data-axis-cell="3"></div>
<div class="axis-cell" data-axis-cell="4"></div>
<div class="axis-cell" data-axis-cell="5"></div>
<div class="axis-cell" data-axis-cell="6"></div>
<div class="axis-cell" data-axis-cell="7"></div>
<div class="axis-cell" data-axis-cell="8"></div>
<div class="axis-cell" data-axis-cell="9"></div>
<div class="axis-cell" data-axis-cell="10"></div>
<div class="axis-cell" data-axis-cell="11"></div>
</div>
</div>
<div class="matrix-container__row matrix-container__row--bottom">
<div class="axis-corner"></div>
<div class="axis axis--x" data-axis="RI">
<div class="axis-cell" data-axis-cell="0"></div>
<div class="axis-cell" data-axis-cell="1"></div>
<div class="axis-cell" data-axis-cell="2"></div>
<div class="axis-cell" data-axis-cell="3"></div>
<div class="axis-cell" data-axis-cell="4"></div>
<div class="axis-cell" data-axis-cell="5"></div>
<div class="axis-cell" data-axis-cell="6"></div>
<div class="axis-cell" data-axis-cell="7"></div>
<div class="axis-cell" data-axis-cell="8"></div>
<div class="axis-cell" data-axis-cell="9"></div>
<div class="axis-cell" data-axis-cell="10"></div>
<div class="axis-cell" data-axis-cell="11"></div>
</div>
<div class="axis-corner"></div>
</div>
</section>
</div>
<section class="tone-row" id="tone-row">
<h2 class="sr-only">Tone Row</h2>
<div class="tone" data-tone-row-cell="0"></div>
<div class="tone" data-tone-row-cell="1"></div>
<div class="tone" data-tone-row-cell="2"></div>
<div class="tone" data-tone-row-cell="3"></div>
<div class="tone" data-tone-row-cell="4"></div>
<div class="tone" data-tone-row-cell="5"></div>
<div class="tone" data-tone-row-cell="6"></div>
<div class="tone" data-tone-row-cell="7"></div>
<div class="tone" data-tone-row-cell="8"></div>
<div class="tone" data-tone-row-cell="9"></div>
<div class="tone" data-tone-row-cell="10"></div>
<div class="tone" data-tone-row-cell="11"></div>
</section>
<section class="keyboard-wrapper">
<div class="keyboard" id="keyboard">
<h2 class="sr-only">Keyboard</h2>
<div class="keyboard-key-wrapper keyboard-key-wrapper--white-key">
<button
data-keyboard-key="0"
class="keyboard-key keyboard-key--white"
>
C
</button>
</div>
<div class="keyboard-key-wrapper">
<button
data-keyboard-key="1"
class="keyboard-key keyboard-key--black"
>
C♯
</button>
</div>
<div class="keyboard-key-wrapper keyboard-key-wrapper--white-key">
<button
data-keyboard-key="2"
class="keyboard-key keyboard-key--white"
>
D
</button>
</div>
<div class="keyboard-key-wrapper keyboard-key-wrapper--black-key">
<button
data-keyboard-key="3"
class="keyboard-key keyboard-key--black"
>
D♯
</button>
</div>
<div class="keyboard-key-wrapper keyboard-key-wrapper--white-key">
<button
data-keyboard-key="4"
class="keyboard-key keyboard-key--white"
>
E
</button>
</div>
<div class="keyboard-key-wrapper keyboard-key-wrapper--white-key">
<button
data-keyboard-key="5"
class="keyboard-key keyboard-key--white"
>
F
</button>
</div>
<div class="keyboard-key-wrapper keyboard-key-wrapper--black-key">
<button
data-keyboard-key="6"
class="keyboard-key keyboard-key--black"
>
F♯
</button>
</div>
<div class="keyboard-key-wrapper keyboard-key-wrapper--white-key">
<button
data-keyboard-key="7"
class="keyboard-key keyboard-key--white"
>
G
</button>
</div>
<div class="keyboard-key-wrapper keyboard-key-wrapper--black-key">
<button
data-keyboard-key="8"
class="keyboard-key keyboard-key--black"
>
G♯
</button>
</div>
<div class="keyboard-key-wrapper keyboard-key-wrapper--white-key">
<button
data-keyboard-key="9"
class="keyboard-key keyboard-key--white"
>
A
</button>
</div>
<div class="keyboard-key-wrapper keyboard-key-wrapper--black-key">
<button
data-keyboard-key="10"
class="keyboard-key keyboard-key--black"
>
A♯
</button>
</div>
<div class="keyboard-key-wrapper keyboard-key-wrapper--white-key">
<button
data-keyboard-key="11"
class="keyboard-key keyboard-key--white"
>
B
</button>
</div>
</div>
</section>
</div>
</div>
</body>
</html>