▁Eric ▁Johnson . ▁ ▁Solo ▁albums ▁ ▁Live ▁albums ▁ ▁Video ▁albums ▁ ▁Inst ruction al ▁videos ▁ ▁Singles ▁ ▁Other ▁appearances ▁ ▁References ▁▁ ▁Category : Bl ues ▁disc ograph ies ▁Category : Dis c ograph ies ▁of ▁American ▁artists ▁Category : J azz ▁disc ograph ies ▁Category : R ock ▁music ▁disc ograph ies <0x0A> </s> ▁The ▁OR W O haus ▁is ▁a ▁Berlin - based ▁musical ▁collect ive . ▁It ▁is ▁located ▁in ▁a ▁ 1 9 7 0 s ▁industrial ▁building ▁in ▁Mar z ahn - H ellers dorf ▁district ▁of ▁Berlin . ▁ ▁Bu ilt ▁for ▁the ▁OR W O ▁company ▁which ▁produced ▁phot ographic ▁film , ▁by ▁ 1 9 9 0 ▁the ▁building ▁was ▁owned ▁by ▁the ▁property ▁company ▁T L G ▁( T reu hand lie g enschaft s gesellschaft ), ▁and ▁was ▁mostly ▁empty , ▁with ▁some ▁flo ors ▁used ▁by ▁other ▁companies ▁for ▁storage . ▁From ▁ 1 9 9 8 ▁it ▁was ▁increasing ly ▁used ▁by ▁bands ▁for ▁re he ars al ▁space , ▁thanks ▁to ▁its ▁isol ation ▁in ▁an ▁industrial ▁estate . ▁In ▁June ▁ 2 0 0 4 ▁the ▁lack ▁of ▁stat ut ory ▁fire ▁protection ▁meant ▁that ▁the ▁own ers ▁had ▁to ▁close ▁the ▁building . ▁By ▁that ▁time ▁approximately ▁ 4 0 0 ▁mus icians ▁had ▁found ▁a ▁place ▁for ▁re he ars als , ▁and ▁had ▁extens ively ▁adapted ▁and ▁furn ished ▁their ▁rooms . ▁ ▁By ▁use ▁of ▁protest s ▁and ▁the ▁occas ional ▁occupation