Growing up in a suburb of Stuttgart , in the southern part of Germany , kids are surrounded by concrete and industry . Especially Mercedes-Benz and Porsche are the city ' s trademark . Folks that are originally from this area are so called “ swabians ” and known for their focused workforce , especially in the blue collar branches . Konstantin Brezger , known by his stage name KeZ ( pronounced like : Cash ), originates from a family that has been working in the construction sector for generations . Hard work and strong morals were taught and expected . By having his mentality shaped in that way , he was well equipped to pursue a solid way of education and life .