▁and ▁govern ments , ▁G DR ▁officials ▁set ▁out ▁to ▁reg ulate ▁much ▁of ▁the ▁new ▁music . ▁The ▁steps ▁taken ▁to ▁control ▁music ▁included ▁requiring ▁rock ▁bands ▁to ▁sing ▁entirely ▁in ▁German ▁and ▁produce ▁songs ▁of ▁educational ▁value ▁that ▁promoted ▁social ist ▁ideas . ▁Another ▁problem ▁for ▁the ▁authorities ▁was ▁having ▁to ▁check ▁song ▁texts ▁very ▁carefully ▁for ▁anti - state ▁t endencies . ▁The ▁band ▁Ren ft , ▁for ▁example , ▁fell ▁f oul ▁of ▁the ▁authorities , ▁which ▁eventually ▁led ▁to ▁its ▁being ▁b anned ▁and ▁dis band ed . ▁ ▁State - san ction ed ▁bands ▁such ▁as ▁Pu hd ys ▁were ▁given ▁" A uf tritt ser la ub nis " ▁( Per formance ▁Perm ission ) ▁that ▁granted ▁them ▁the ▁ability ▁to ▁play ▁in ▁East ▁German ▁( and ▁occasionally ▁even ▁West ▁German ) ▁clubs , ▁festiv als , ▁etc . ▁Fail ure ▁to ▁obtain ▁this ▁card ▁before ▁a ▁performance ▁could ▁result ▁in ▁the ▁forced ▁separation ▁of ▁a ▁band ▁or ▁even ▁imprison ment . ▁The ▁Pu hd ys , ▁Stern - Com bo ▁Me i ßen ▁and ▁Kar at ▁were ▁popular ▁main stream ▁bands , ▁man aging ▁to ▁hint ▁at ▁critical ▁thoughts ▁in ▁their ▁lyr ics ▁without ▁being ▁explicit . ▁Like ▁other ▁main stream ▁acts , ▁they ▁appeared ▁in ▁youth ▁mag az ines ▁such ▁as ▁Ne ues ▁Leben ▁and ▁Das ▁Mag az in . ▁ ▁Despite ▁the ▁heavy ▁c ensor ship , ▁reg ulation , ▁and ▁repr ession ▁exerc ised ▁by ▁G DR ▁leadership ▁over ▁the ▁East ▁German