Ajnas (the equivalent of modern day modes) in old Persian traditional music. Originally by Abd al-Qadir Maraghi, as published in the book by Farhad Fakhreddini.
<a href="//commons.wikimedia.org/wiki/User:Huji" title="User:Huji">Huji</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>