In the mid-80s, he created the famous rap group Assassin, becoming the first artist of this scene to mention politics and social problems in his records. The subjects of his rap songs include modern slavery ("Esclave 2000"), ecology ("Sauvons la planète"), political prisoners ("Écrire contre l"oubli"), women"s rights ("L"objet" and "L"Entrave a nos jouissances"), racism ("Peur d"une race"), the New World Order ("Démocratie fasciste: Article 1, 2, 3 and 4", "Illuminazi 666") or African colonisation ("France à fric"). He has collaborated with artists such as KRS-One, Supernatural, Olodum, Immortal Technique, Cheick Tidiane Seck, El-P, RZA, Agallah The Don Bishop, Research Associate the Rugged Manitoba or Wise Intelligent.
His triple album, "Confessions d"un enfant du siècle", has been released between 2008 and 2010.
In April 2009, a new song leaked on the internet named Democratie Fasciste (Article 4) which featured Immortal Technique. The official release of the song and Rockin Squat"s album "Confessions Doctorate"un Enfant Du Siècle Volume 2" was on May 12, 2009.
The beat from the song was sampled from Wu-Tang Clan"s song "Tearz". The song expresses the inequalities of the Third World and revolutionary events throughout history against tyranny and oppression.
The song contains lyrics in English (Immortal Technique), French (Rockin" Squat) and brief shout outs in Spanish (Immortal Technique).
He also makes tracks with artistes like KRS-One, Seu Jorge, Tony Allen, Supernatural, Olodum, Ol Dirty Bastard, Cheick Tidiane Seck, El-P, RZA, Agallah The Don Bishop, Resident Advisor the Rugged Manitoba, Ivor Lancellotti, Oxmo Puccino or Wise Intelligent. 2010 Assassin/Rockin" Squat "Olympia 2009" 2h20 Live show at Olympia, Paris, France.