9 5 – 1 9 9 7 , ▁followed ▁by ▁a ▁grad ual ▁decl ine ▁in ▁popular ity ▁and ▁then ▁a ▁res urg ence ▁in ▁ 2 0 0 7 . ▁ ▁Character istics ▁ ▁Classic ▁disco ▁pol o ▁songs ▁were ▁character ized ▁by ▁the ▁simplest ▁ch ord ▁progress ions ,, ▁simple ▁mel od ies , ▁often ▁drawing ▁from ▁the ▁folk ▁music ▁tradition ▁of ▁steady ▁rh yth ms , ▁couple d ▁with ▁sync op ated ▁samples ▁of ▁drums , ▁and ▁accomp any ing ▁del icate ▁synth es izer ▁sounds ▁or ▁keyboard ▁instruments . ▁L yr ics ▁are ▁often ▁mel od ram atic ▁tales ▁of ▁unh appy ▁love , ▁although ▁they ▁are ▁also ▁often ▁play ful , ▁and ▁hol iday ▁them ed . ▁ ▁History ▁ ▁The ▁roots ▁of ▁this ▁genre ▁and ▁its ▁beg inn ings ▁ ▁The ▁genre ▁is ▁derived ▁from ▁the ▁music ▁played ▁at ▁wed d ings ▁with ▁a ▁re per toire ▁of ▁Polish ▁folk ▁music ▁and ▁wed ding ▁songs , ▁with ▁electronic ▁alternatives ▁to ▁the ▁traditional ▁ac oust ic ▁instruments , ▁ ▁electronic ▁key boards ▁instead ▁of ▁the ▁traditional ▁ac oust ic ▁keyboard ▁instrument ▁for ▁example . ▁The ▁most ▁common ▁influ ential ▁them es ▁were ▁mel od ram atic ▁texts ▁about ▁un re qu ited ▁love . ▁In ▁addition ▁to ▁these ▁traditional ▁found ations , ▁a ▁large ▁influence ▁on ▁the ▁occurrence ▁of ▁this ▁genre ▁was ▁other ▁popular ▁music ▁from ▁within ▁Europe , ▁including ▁Poland ▁gen res ▁of ▁disco ▁- ▁Ital o ▁disco . ▁The ▁first ▁band ▁that ▁is ▁representative ▁of ▁this