When he was in the seventh grade, Mustafa performed an original piece, "A Single Rose", at Nelson Mandela Park Public School.
As member of Canadian hip hop collective Halal Gang, he starred in a number of music videos, including the single "Feel" by Safe released in October 2016.
[15] Still under the name of Mustafa the Poet, he produced and released Remember Me, Toronto, a short Canadian documentary film about the hip hop culture in Canada in 17 March 2019.
[16][17] Created for the Canadian hip hop community, the documentary discusses the losing of people due to the increasing gun violence and homicide rates in Toronto over the past decade.
[21][22] Artists featured included Drake, Baka Not Nice, Gilla, Pilla B, TJin, Pressa, Loco City, Smiley, Top 5, Blockboi, Twitch, Jay Whiss, Puffy L'z, Rax, Booggz, Yung Lava, and archival footage from the murdered artist Smoke Dawg.
He went on to title all the songs in Frank Dukes Parkscapes sample pack released in June 2019, which would be used on Taylor Swift's album Lover.
[32] The single featured numerous cameos from Toronto rappers including Halal Gang members Puffy L'z and Mo-G as well as Lil Berete.
Described as "inner city folk music", the EP was written and produced with Simon on the Moon and Frank Dukes, along with James Blake, Jamie xx, and Sampha, among others.
[38] Mustafa was featured on Metro Boomin's 2022 album Heroes & Villains, on the track "Walk Em Down (Don't Kill Civilians)", alongside rapper 21 Savage.
[39] On January 4, 2024, Mustafa organized a benefit concert at the New Jersey Newark Symphony Hall for food and medical supply distribution in Gaza and Sudan with a number of artists including musicians Clairo, Daniel Caesar, Stormzy, comedian Ramy Youssef, and poets Hala Alyan and Safia Elhillo.