CareerAt age 18, John Mamann left for Canada and later on to the States (Miami, Florida) to pursue a musical career. His father, a musician and relatively successful singer, with Algerian descent, had great impact on him. Returning to France, his debut single was "Pas jaloux". He was more successful with composing particularly after his success in 2008 with writing and producing Louisy Joseph and finding chart success with the latter's song "Assis par terre". He released his own album Mister Joe with all materials composed by him with lyrics from Elodie Hesme, François Welgryn, Lionel Florence et Florian Gazan.Mamann has also written to a number of artists including Johnny Hallyday (in two songs "Autoportrait" and "Devant toi"), for Florent Pagny, Natasha St-Pier, Luce (singer), Jean-Roch, Havana Brown and others. He has collaborated with producer RedOne. In 2011, He co-wrote and co-produced "Il nous faut", a big hit for French singer Elisa Tovati and Belgian The X Factor runner-up Tom Dice. The single reached number 1 on both Belgian Flanders and Wallonia Singles Charts.He also co-composed with David Hallyday, Fred Château, Mathieu Mendès, Corneille, Shaka Ponk, Coyle Girelli and Stanislas, music for the 2013 French musical production Robin des Bois.In popular cultureHe was part of Collectif Paris-Africa, and contributed to the album Paris-Africa and one of the artists featured on "Des Ricochets", the main charity single for UNICEF from the album.In 2012, He also took in the 8th edition of the annual event Concert pour la tolérance in Agadir, Morocco.In 2012, in season 1 of the French singing competition The Voice: la plus belle voix, Florent Pagny one of the four judges and mentors in the series chose John Mamann to help him mentor his team of contestants during the "Musical Battles" round.Personal lifeHis father, Maurice Mamann is a musician and singer who performed under the stage name Maurice Mann.