▁and ▁ball ads ▁along ▁with ▁them . ▁Like ▁American ▁Indian ▁communities , ▁each ▁r ite ▁of ▁passage ▁in ▁His pan ic ▁communities ▁is ▁accompanied ▁by ▁traditional ▁music . ▁The ▁ac oust ic ▁guitar , ▁string ▁bass , ▁and ▁viol in ▁provide ▁the ▁basic ▁instrument ation ▁for ▁Mexican ▁music , ▁with ▁mar ac as , ▁fl ute , ▁horn s , ▁or ▁sometimes ▁accord ion ▁filling ▁out ▁the ▁sound . ▁Other ▁Europe ans ▁( such ▁as ▁Boh em ians ▁and ▁Germ ans ) ▁settled ▁in ▁the ▁late ▁ 1 9 th ▁century . ▁Their ▁social ▁activities ▁centered ▁on ▁community ▁h alls , ▁" where ▁local ▁mus icians ▁played ▁pol k as ▁and ▁w alt zes ▁on ▁the ▁accord ion , ▁piano , ▁and ▁br ass ▁instruments ". ▁ ▁Later , ▁A si ans ▁contributed ▁to ▁the ▁musical ▁mix . ▁ ▁" An cient ▁music ▁and ▁dance ▁trad itions ▁from ▁the ▁tem ples ▁and ▁courts ▁of ▁China , ▁India , ▁and ▁Indones ia ▁are ▁preserved ▁in ▁Asian ▁communities ▁throughout ▁the ▁state , ▁and ▁popular ▁song ▁gen res ▁are ▁contin ually ▁layer ed ▁on ▁to ▁these ▁classical ▁music ▁forms " ▁ ▁Fol k ▁music ▁rev iv als ▁▁ ▁" F olk ▁music ▁rev ival " ▁refers ▁to ▁either ▁a ▁period ▁of ▁renew ed ▁interest ▁in ▁traditional ▁folk ▁music , ▁or ▁to ▁an ▁event ▁or ▁period ▁which ▁transform s ▁it ; ▁the ▁latter ▁usually ▁includes ▁a ▁social ▁activ ism ▁component . ▁A ▁prominent ▁example ▁of ▁the ▁former ▁is ▁the ▁British ▁folk ▁rev ival ▁of ▁approximately ▁ 1