J.S.Bach (musical) cross. Bach signed himself with a single note (using 4 different pitches)
<ul><li><a href="https://en.wikipedia.org/wiki/B_(musical_note)" class="extiw" title="w:B (musical note)">B</a>: Left staff (treble <a href="https://en.wikipedia.org/wiki/clef" class="extiw" title="w:clef">clef</a>)</li>
<li><a href="https://en.wikipedia.org/wiki/A_(musical_note)" class="extiw" title="w:A (musical note)">A</a>: Upper staff (tenor clef)</li>
<li><a href="https://en.wikipedia.org/wiki/C_(musical_note)" class="extiw" title="w:C (musical note)">C</a>: Right staff (alto clef)</li>
<li><a href="https://en.wikipedia.org/wiki/B_(musical_note)" class="extiw" title="w:B (musical note)">H</a>: Lower staff (treble clef)</li></ul>
<a href="//commons.wikimedia.org/w/index.php?title=User:Michael_miceli&amp;action=edit&amp;redlink=1" class="new" title="User:Michael miceli (page does not exist)">Michael miceli</a>
<span class="int-own-work" lang="en">Own work</span>