Romuald "Stavo" Gomes Aimé "OldPee" Kalombo Mpiana 13 Block is a French hip hop group originating from Sevran, Seine-Saint-Denis.
It was formed in 2012, and is made up of the artists Stavo, Zed, Zefor and OldPee, all from the Beaudottes area in Sevran.
It is inspired by American-based drill from Chicago and trap from Atlanta.
They have released two albums and a number of mixtapes.
[1] *Did not appear in the official Belgian Ultratop 50 charts, but rather in the bubbling under Ultratip charts.