"Alpha Diallo" better known by his stage name Black Mesrimes or more commonly Black M (born 27 December 1984), is a French-Guinean rapper. He grew up in Paris and is famous for his membership of the French rap and hip hop collective Sexion d'Assaut in addition to his solo work and collaborations with various artists. His name Mesrimes is a reference to French criminal known as "The Man of a Thousand Faces" and French anti-establishment wanted man "Robin Hood" Jacques Mesrine. Black M uses many punch lines and onomatopoeias in his works. In 2006, he had a joint released Bakry & Black Mesrimes presente Le Pact.

In 2013, he released "Ailleurs" as an early release from his solo album titled Les yeux plus gros que le monde that followed in 2014, becoming his first first official studio album.