“Substance810 is one of the finest producers/MCs in Michigan right now” - legends will never die
“Port Huron Emcee/Producer Substance810 Has Been Making Major Noise Since His Debut in Album in 2006, He is Definitely making A Name For Himself Being A Top Tier Lyricist and Producer” - Pat Deegan
“Substance810 is “Makin Waves” with a FULL BLAST of unstoppable HEAT featuring DJ Grazzhoppa! Experience the supreme power spitter on “Fortified!”” - mediamaverick
“The Definition Of shows Substance810 as an emcee trying to elevate his rhymes above the average rapper and taking his polished beats to the next level with great usage of samples along with plenty of thump” - P80 Parks
“Checkmate! Michigan’s Substance810 takes control of the board on this dope cut lifted from his new Chuck Chan-produced EP “Chess Pieces”” - Ryan Proctor