Onyx Root is a 2004 album by American blues musician Michael Powers.

[6] The album was reviewed by Frank Matheis of Acoustic Roots & Country Blues.

"[8] The album was given four stars and received a positive review in late 2005 by Robin Denselow of The Guardian.

Forte noted that Powers doesn't approach the blues in a purist way and that he injects some life into the party.

[10] It was reviewed by OC of Disques du "Moi" and he said "C’est l’album de blues parfait que j’ai jamais entendu, et certainement un classique moderne.