<div class="thumb tright"><div class="thumbinner" style="width:222px;"><a href="//commons.wikimedia.org/wiki/File:Keys_in_dozenal_clock.svg" class="image"><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Keys_in_dozenal_clock.svg/220px-Keys_in_dozenal_clock.svg.png" decoding="async" width="220" height="210" class="thumbimage" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Keys_in_dozenal_clock.svg/330px-Keys_in_dozenal_clock.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Keys_in_dozenal_clock.svg/440px-Keys_in_dozenal_clock.svg.png 2x" data-file-width="675" data-file-height="645"></a>  <div class="thumbcaption"><div class="magnify"><a href="//commons.wikimedia.org/wiki/File:Keys_in_dozenal_clock.svg" class="internal" title="Enlarge"></a></div>key numbers in a (<a href="https://en.wikipedia.org/wiki/duodecimal" class="extiw" title="w:duodecimal">dozenal</a>) clock</div></div></div>
<p><i><a href="https://en.wikipedia.org/wiki/Tonnetz" class="extiw" title="w:Tonnetz">Tonnetz</a></i> with <a href="https://en.wikipedia.org/wiki/relative_key" class="extiw" title="w:relative key">relative keys</a> in the same color and numbers of accidentals added
</p><p>Each triangle is a triad. Its name is indicated by the blue or red tone on the left.
</p>
<div class="thumb tleft"><div class="thumbinner" style="width:402px;"><a href="//commons.wikimedia.org/wiki/File:Neo-Riemannian_Tonnetz,_numbers.svg" class="image"><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/7/77/Neo-Riemannian_Tonnetz%2C_numbers.svg/400px-Neo-Riemannian_Tonnetz%2C_numbers.svg.png" decoding="async" width="400" height="205" class="thumbimage" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/7/77/Neo-Riemannian_Tonnetz%2C_numbers.svg/600px-Neo-Riemannian_Tonnetz%2C_numbers.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/7/77/Neo-Riemannian_Tonnetz%2C_numbers.svg/800px-Neo-Riemannian_Tonnetz%2C_numbers.svg.png 2x" data-file-width="2149" data-file-height="1104"></a>  <div class="thumbcaption"><div class="magnify"><a href="//commons.wikimedia.org/wiki/File:Neo-Riemannian_Tonnetz,_numbers.svg" class="internal" title="Enlarge"></a></div>minor in blue and major in red</div></div></div>
<table><tbody><tr><td style="padding: 15px;"><a href="//commons.wikimedia.org/wiki/File:Watchduck.svg" class="image"><img alt="Watchduck.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Watchduck.svg/40px-Watchduck.svg.png" decoding="async" width="40" height="46" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Watchduck.svg/60px-Watchduck.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Watchduck.svg/80px-Watchduck.svg.png 2x" data-file-width="703" data-file-height="806"></a>
</td>
<td><a href="//commons.wikimedia.org/wiki/User:Watchduck" title="User:Watchduck">Watchduck</a><br><span style="color: gray; font-size: 80%;">You can name the author as "T. Piesk", "Tilman Piesk" or "Watchduck".</span>
</td></tr></tbody></table>
<span class="int-own-work" lang="en">Own work</span>