This video is about making appellations to the dead. This happens when an old man/woman or a chief died.  Someone who knows the genealogy of the deceased is in charge of making the appellations with the help of a gong gong bitter (local drummer).
<a href="//commons.wikimedia.org/wiki/User:Alhassan_Peter" title="User:Alhassan Peter">Alhassan Peter</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>