Matthew Tyler Musto (born November 27, 1990), known professionally as Blackbear (stylized as blackbear), is an American hip hop recording artist, singer, songwriter, and record producer. He has collaborated with several musical artists such as Gnash, Justin Bieber, G-Eazy, Mike Posner, James Blake, Maejor Ali, Palisades, Jacob Sartorius, Machine Gun Kelly, Mod Sun, Rivers Cuomo, Childish Gambino, Pharrell Williams, and Linkin Park. He co-wrote "Boyfriend" by Justin Bieber, which debuted at number 2 on the Billboard Hot 100. He also produced the title track from G-Eazy's album These Things Happen. ... (see more)