, ▁on ▁the ▁other ▁hand , ▁said ▁that ▁rock ▁music ▁and ▁opera ▁are ▁" both ▁over b low n , ▁massive ▁spect acles " ▁that ▁cover ▁the ▁same ▁them es . ▁ ▁K ies ew alter , ▁who ▁was ▁originally ▁not ▁a ▁fan ▁of ▁opera , ▁did ▁not ▁think ▁the ▁two ▁styles ▁would ▁mix ▁well ▁together , ▁but ▁his ▁modern ized ▁oper as ▁with ▁rock ▁music ▁surprised ▁him ▁with ▁their ▁ ▁popular ity ▁at ▁the ▁East ▁Village ▁Opera ▁Company . ▁ ▁Rock ▁oper as ▁are ▁usually ▁recorded ▁and ▁performed ▁on ▁albums ▁by ▁the ▁artists ▁themselves , ▁but ▁they ▁can ▁also ▁be ▁performed ▁on ▁the ▁stage , ▁such ▁as ▁R ent , ▁which ▁played ▁on ▁Broadway . ▁ ▁This ▁usage ▁has ▁also ▁court ed ▁controvers y ; ▁Anne ▁M idget te ▁of ▁The ▁New ▁York ▁Times ▁called ▁them ▁musical s ▁with ▁" no ▁more ▁than ▁the ▁addition ▁of ▁a ▁keyboard ▁and ▁a ▁drum ▁set ". ▁ ▁See ▁also ▁ ▁The ▁Sur v ival ▁of ▁St . ▁Joan ▁ ▁List ▁of ▁rock ▁musical s ▁ ▁Con cept ▁album ▁ ▁True ▁Sym ph onic ▁Rock estra ▁ ▁Wagner ian ▁rock ▁ ▁References ▁ ▁External ▁links ▁▁▁▁ ▁Category : Mus ical ▁theatre ▁▁ ▁Category : W ords ▁co ined ▁in ▁the ▁ 1 9 6 0 s <0x0A> </s> ▁The ▁Lag unas ▁Norte ▁mine ▁is ▁one ▁of ▁the ▁largest ▁gold ▁mines ▁in ▁Peru ▁and ▁in ▁the ▁world . ▁The ▁mine ▁is ▁located ▁in ▁the ▁north - western ▁part ▁of ▁Peru ▁in ▁La ▁Libert ad ▁Region , ▁