William Kalubi better known by his stage name Damso (born in Kinshasa on 10 May 1992) is a Belgian Congolese rapper and songwriter. He released his first solo project Salle d'attente online as a free download in 2014. In collaboration with his band OPG, he released his mixtape MMMXIII on 24 September 2014. He was signed to Universal Music with which he has released two albums, Batterie Faible in 2016 and Ipséité in 2017. Both were certified gold.