In 2000, Adrien Gallo, Karim Réveillé and Raphaël Delorme, childhood friends, formed the band "Hangover" with songs exclusively in English.

He has also written Boxing Club for Alizée and Mi amor and La Marée for Vanessa Paradis and Playground and Exit for singer Sophie-Tith after her appearance in season 9 of Nouvelle Star in France.

He has appeared in a number of films and French television series: Karim Réveillé (born 14 December 1987 in Paris) is the drummer of the band.

In 2012, he also appeared as a bard in Asterix and Obelix: God Save Britannia (French: Astérix et Obélix: Au service de Sa Majesté) Félix Hemmen (born 16 November 1989 in Paris) is the lead guitarist and singer of the band.

Live albums " Eclair Eclair " (2017) " Terrain vague / Pyromane (2017) The song Dis-moi was made available to download on December 21, 2010 for use in the Rock Band 3 music gaming platform in both Basic rhythm, and PRO mode which allows use of a real guitar / bass guitar, and MIDI compatible electronic drum kits / keyboards in addition to vocals.