I think the vocals and muzic are in different keys.

MOHREZ STATION 9-DJ MOHREZ-(ARABIC MIX).mp3

Hamim / Rose Sefid ( Slowed - Reverb )

FaTheCan - Assala Nasri Vs. 50 Cent feat. Snoop Dogg -  Asfa Concert Vs. In Da Club feat. Drop It Like It's Hot Remix

DJ, MC, music lover. I've been all over the world and music is that universal language that brings everyone together for some great times!