C.O. (Polished Knowledge)

C.O. aka Corey Smith, is a rapper from Toledo, Ohio. He is part of Hip-Hop group Polished Knowledge/Q.M.B. Polished Knowledge started around 2005 and is made up of four members, C.O. aka Corey Spitz, T-Simms tha Paper Boy, J.o.B. da JOB, D-Flem Mr.GottaGetIt, all born and raised in Toledo, Ohio, and focused on one thing, getting to the top. A creative and innovative group of young men, all talented in music among several other things.