Guitarcords used in the German wikibooks: Gitarre
<a href="//commons.wikimedia.org/wiki/User:Mjchael" title="User:Mjchael">user:Mjchael</a>
<span class="int-own-work" lang="en">Own work</span> (<span lang="en" dir="ltr"><b>Original text</b>: <i><bdi lang="">made by me (Inkscape or Corel-Draw or Flash)</bdi></i></span>