Matthew Tyler Musto, known professionally as Blackbear, is an American rapper, singer, songwriter, and record producer. He has collaborated with numerous musical artists such as Justin Bieber, G-Eazy, Mike Posner, Maejor Ali, Palisades, Machine Gun Kelly, Mod Sun, Rivers Cuomo, Childish Gambino, Billie Eilish, Pharrell Williams, Miley Cyrus, Linkin Park and Jacob Sartorius.