ious ▁cre ations ▁like ▁" R ock , ▁Sea ▁and ▁Tree ". ▁ ▁The ▁release ▁of ▁Mechan ical ▁Moon be ams ▁in ▁ 1 9 7 8 ▁confirmed ▁the ▁group ' s ▁musical ▁m atur ity ▁and ▁made ▁them ▁absolute ▁rock - st ars ▁in ▁their ▁hom eland . ▁ ▁The ▁album ▁featured ▁mel od ic ▁songs ▁like ▁" R ope ▁Dan cer " ▁or ▁" M ary ", ▁much ▁harder ▁t unes ▁such ▁as ▁" B ey ond ▁The ▁Sil ence ", ▁complex , ▁typical ▁Euro ck ▁songs ▁such ▁as ▁" The ▁Fif th ▁Season ", ▁but ▁also ▁some ▁complex ▁songs ▁like ▁" After ▁The ▁C rop ", ▁which ▁evol ves ▁from ▁ac oust ic - mel od ic ▁to ▁punk - like ▁via ▁Euro ck ▁and ▁pure - rock , ▁all ▁in ▁the ▁same ▁song . ▁The ▁cover ▁was ▁in ▁the ▁same ▁line ▁as ▁J ester ▁but ▁this ▁time ▁in ▁colour . ▁ ▁Urban ▁Games ▁was ▁probably ▁the ▁band ' s ▁most ▁successful ▁album . ▁It ▁attempted ▁to ▁move ▁away ▁from ▁the ▁Euro ck ▁style ▁and ▁proposed ▁songs ▁lean ing ▁on ▁disco ▁(" Dan cing ▁Hero es "), ▁hard - rock ▁(" The ▁D ict ators "), ▁reg ga e ▁(" Over ▁the ▁Hills "), ▁and ▁Euro ck ▁still ▁(" City ▁Flow ers "). ▁The ▁r ift ▁between ▁the ▁t ast es ▁and ▁ideas ▁of ▁the ▁different ▁members ▁of ▁the ▁group ▁was ▁all ▁too ▁apparent ▁in ▁the ▁group ▁and ▁Albert ▁L ete che ur ▁and ▁Jean - Paul ▁Dev aux ▁left