Alpha Diallo better known by his stage name Black Mesrimes or more commonly Black M (born 27 December 1984), is a French rapper and singer-songwriter of Guinean descent. He grew up in the 7th and 13th arrondissements of Paris. He is famous for his membership in the French rap and hip hop collective Sexion d'Assaut in addition to his solo work and collaborations with various artists. His moniker Mesrimes is a reference to French criminal known as "The Man of a Thousand Faces" and French anti-establishment "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 official studio album. Black M states in his latest music video a famous punch line; "Alexandre de L A, il est super stylé". Follow-up big hits from the album included "Mme Pavoshko", "Sur ma route" and "La légende black". He later rereleased the album with eight additional tracks, renaming the new special release Le monde plus gros que mes yeux