This Sheyman guy should enter into agreement with D'banj, if D'banj doesn't want it, then so be it. It is his face, his name, his reputation at stake here.
Why did this Sheyman wait until now before the video release? He probably wasn't thinking about making it, until "Koko master" became famous, then he decides to ride on his back to boost his music. If he really want D'banj so much, let him offer to pay him well, that is if D'banj will accept.

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Wisdom is the principal thing; therefore get wisdom: and with all thy getting get understanding. -Proverbs 4:7

"When beggars die there are no comets seen;
The heavens themselves blaze forth the death of princes." -William Shakespeare