prefabricated stage enclosure system for performances, namely, acoustical shells composed primarily of non-metal acoustical panels assembled to blend and reflect sound energy towards audiences marketed in business to business channels only to theatrical and entertainment venues or theatrical consultants

'acoust':8,16 'assembl':18 'audienc':26 'blend':20 'busi':29,31 'channel':32 'compos':10 'consult':41 'enclosur':3 'energi':24 'entertain':37 'market':27 'metal':15 'name':7 'non':14 'non-met':13 'panel':17 'perform':6 'prefabr':1 'primarili':11 'reflect':22 'shell':9 'sound':23 'stage':2 'system':4 'theatric':35,40 'toward':25 'venu':38

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