Socrate Petteng or Socrate Petnga better known as Mac Tyer is a French rapper of Cameroonian descent, born in Aubervilliers, Seine-Saint-Denis, France. He is also known as Monsieur Socrate or mononym Socrate.
He was also member of Perestroika, a rap/hip hop trio made up of Mac Tyer, Mac Kregor, also from Aubervilliers, France but of Haitian descent and Dontcha. The band was formed in 1999, and active initially for one year, with very rare appearances later on.
With Dontcha opting to continue on a solo career, Mac Tyer and Mac Kregor turned it into a rap duo renaming it Tandem in 2000. Tandem remained active until 2014, although its members also released solo albums of their own. Tandem was signed at various times to Because Music, Première Classe and Hostile Records.
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