Legendary Columbus artists Kojo Kamau and Pepper Johnson have promoted and advocated for community artists for decades through the organization Art for Community Expression (better known as ACE). Ann Starr of blog The Starr Review wrote this lovely piece about this show. Oh yeah, I got a little mention too! Check it out
http://starr-review.blogspot.com/2013/07/art-for-community-expression-enduring.html
In addition it is a really well written and beautiful blog (I should ask Ann for some pointers). You can see the whole blog at http://starr-review.blogspot.com