what is the best music producer?

for nigeria is donjazy and kazy clef we have many of them

In house/techno scene, I would suggest Traumer :D [message to short]

Wheezy
Jetsonmade
Pi'erre Bourne

The offshore crew, nile rodgers, sylvia robinson!

koan sound, noisia, haywyre, culprate, umek, township rebellion, reso, vibrasphere, ticon, Lavr

Lex Luger forever, nobody will ever be as influential as him

It's metro booming you already knwo what time it is boyyyy

Babyface, Teddy Riley, Timbaland, Kanye.

It definitely depends on what genre you're talking about.

Overall - I'm talking about the people who have had success producing more than one genre.
Rick Rubin
Paul Epworth
Danger Mouse
Pharell

Hip Hop:
Metro
Lex Luger
Dre
Kanye

Pop
Max Martin
Shellback
Stargate
Jeff Bhasker

There are definitely more, I just can't think of them off of the top of my head.