In December 2015, the multinational Google contacted him to synchronize his musical work "What I Want" (composed with Ofenbach) on its advertising campaign "La nuit vous appartient". This track was played by many DJs and even listened to in space by the famous astronaut Thomas Pesquet!
Karlk released his first album "Crossroads" in May 2017 with hit songs like "Jeff" and "Daydreamer", as well as his first orchestral track "Amazonia".