[2] His father, Samuel, was a locksmith and carpenter at Montefiore Hospital, and his mother, Theresa (née Maxwell), was a teacher.
He first gained widespread attention as a poet and performer when he was featured in the documentary SlamNation, which followed him and the other poets of 1996 Nuyorican Poetry Slam Team (Saul Williams, Beau Sia and Jessica Care Moore) as they competed at the 1996 National Poetry Slam.
Thoughtful, precise but not without humor, his work spoke honestly about the life he and his friends and family lived and the city that he loved.
[6] In September 2014, muMs wrote and performed "A Sucker Emcee", hip-hop and slam poetry, based on his personal recollections.
[9] Grant guest-starred in the 2016 Netflix series Luke Cage as Reggie "Squabbles", and was featured as a recurring character, Ricardo, on three episodes of Louis C.K.