From Tyler, TX, De’Marcus began his musical journey playing the drum set, bass guitar, and keyboard in church, and he performs regularly throughout the East Texas region with his family Gospel group — The Walker Family. He attends the University of North Texas, where he studies tuba with Donald Little and performs with the UNT Symphonic Band and Seven O'clock Tuba and Euphonium Ensemble.  He is a member of the Golden Key International Honor Society, National Society of Collegiate Scholars, Alpha Chi National Honor Society, and is on the UNT President's List. On tuba, De'Marcus has been a regular participant in Texas 5A All-State Symphonic Band and in the Texas 5A All-State Jazz Band on the bass guitar. Out of the approximately 22,000 musicians at Texas State Solo and Ensemble Contest each year, De'Marcus received three consecutive Most Outstanding Performer Medallions.