``  In Atlanta , Georgia , Cyrus DeBarge ( Tyler James Williams ) is a musically talented choir director who writes rap lyrics under the pseudonym `` '' Truth '' '' because of his father Pastor Jacob 's ( Courtney B. Vance ) disapproval of hip hop music and his shy demeanor compared to his more outgoing best friend Kris McDuffy ( Trevor Jackson ) . ''
Kris is Cyrus ' best friend and brother in the film Let It Shine .