Mange Makers is a Swedish music group composed of Peter Balazs (stage name Bacall) as video & music producer 2011–2014, Max Christensson as dancer, Max Henriksson as beatbox and Didrik Rastbäck as vocals. They released their first song "Fest hos Mange" ("Party at Mange's") on YouTube in 2011. The song was created as a joke to surprise Henriksson's and Rastbäck's friend named Mange, who was throwing a party, the group has however not revealed more about who Mange is.
https://en.wikipedia.org/wiki/Mange_Makers