▁Dynam ics . ▁It ▁was ▁released ▁in ▁ 1 9 7 0 , ▁and ▁became ▁a ▁number - one ▁hit ▁in ▁Germany , ▁Austria ▁and ▁Switzerland ▁that ▁year ▁and ▁was ▁among ▁the ▁best s ellers ▁for ▁ 3 0 ▁weeks . ▁More ▁than ▁half ▁million ▁copies ▁were ▁sold ▁of ▁the ▁single . ▁▁ ▁a ▁cover ▁by ▁Michael ▁Hol m ▁reached ▁number ▁two ▁in ▁South ▁Africa . ▁ ▁Cover ▁versions ▁Several ▁other ▁bands ▁and ▁sing ers ▁recorded ▁the ▁song , ▁among ▁them : ▁ ▁The ▁Walk ers ▁( in ▁Dutch ) ▁ ▁Michael ▁Hol m ▁( 1 9 7 0 ▁in ▁English ▁and ▁in ▁German ▁- ▁South ▁Africa ▁# 2 ) ▁ ▁James ▁Last ▁( 1 9 7 0 ) ▁ ▁H ajo ▁( 1 9 7 0 , ▁in ▁German ) ▁ ▁Met ron om ▁( in ▁Czech ) ▁ ▁J igs aw ▁( 1 9 7 2 ▁- ▁Australia ▁# 1 8 ) ▁ ▁De ▁Mar lets ▁( 1 9 8 8 ) ▁ ▁R ondo ▁Class ico ▁( 1 9 9 5 ) ▁ ▁Sam ▁Go oris ▁( 1 9 9 6 ) ▁ ▁Matth ias ▁L ens ▁( 2 0 1 3 ) ▁ ▁References ▁▁ ▁sw iss charts . com ▁ ▁Category : 1 9 7 0 ▁songs ▁Category : 1 9 7 0 ▁singles ▁Category : Number - one ▁singles ▁in ▁Austria ▁Category : Number - one ▁singles ▁in ▁Germany ▁Category : Number - one ▁singles ▁in ▁Switzerland <0x0A> </s> ▁On ▁ne ▁change ▁pas ▁( mean ing ▁We