He also studied sound engineering.
He started rapping at age 17 with the mixtapes NQNTMQMQMB (Ni Queue Ni TĂȘte Mais Qui Met Quand MĂȘme Bien) in 2012, followed by mixtape Cours de rattrapage the same year.
Both were reedited in 2016 in a double CD offered through his site.
On 27 October 2014, he released his debut EP NQNT (Ni Queue Ni TĂȘte) with the clip "Bonjour" gaining fame.
The follow-up was the EP NQNT 2 on 25 September 2015.
On 20 January 2017, he released his studio album Agartha on Mezoued Records & Suther Kane Films, and on Millenium, Capitol, Universal.
It was certified platinum.
A leak of materials resulted in the EP project NQNT 3.
And on 2 February 2018, Vald presented his second album XEU with a number of collaborations with rappers Sirius, Suik'on Blaz AD and Sofiane.
It was also certified platinum.
This was soon followed by the mixtape NQNT33 in September 2018.
Vald has a son Charles, born 2014 from an earlier relationship.