8 ▁July . ▁On ▁both ▁occasions ▁the ▁band ▁were ▁accompanied ▁by ▁the ▁John ▁Al ld is ▁Ch oir ▁and ▁the ▁Philip ▁Jones ▁Br ass ▁Ens emble . ▁Later , ▁the ▁band ▁took ▁a ▁full ▁br ass ▁section ▁and ▁cho ir ▁on ▁tour ▁just ▁for ▁the ▁purpose ▁of ▁performing ▁this ▁piece . ▁However , ▁this ▁caused ▁the ▁tour ▁to ▁lose ▁money , ▁and ▁the ▁band ▁found ▁problems ▁with ▁the ▁h ired ▁mus icians , ▁which ▁changed ▁from ▁gig ▁to ▁gig ▁as ▁they ▁simply ▁took ▁who ▁was ▁available , ▁which , ▁combined ▁with ▁lack ▁of ▁re he ars al ▁and ▁problems ▁m ik ing ▁up ▁the ▁whole ▁ensemble , ▁made ▁a ▁full ▁live ▁performance ▁more ▁problem atic . ▁Ref lect ing ▁on ▁this , ▁Gil m our ▁said ▁" some ▁of ▁the ▁br ass ▁players ▁have ▁been ▁really ▁hop eless ". ▁According ▁to ▁Mason , ▁the ▁band ▁arrived ▁at ▁one ▁gig ▁in ▁A achen , ▁Germany , ▁only ▁to ▁discover ▁they ▁had ▁left ▁the ▁sheet ▁music ▁behind , ▁forcing ▁tour ▁manager ▁Tony ▁Howard ▁to ▁go ▁back ▁to ▁London ▁and ▁get ▁it . ▁ ▁A ▁later ▁arrangement ▁without ▁br ass ▁or ▁cho ir , ▁and ▁p ared ▁down ▁from ▁ 2 5 ▁minutes ▁to ▁fifteen ▁by ▁om itting ▁the ▁" col lage " ▁sections ▁and ▁closing ▁repr ise ▁of ▁the ▁main ▁theme , ▁remained ▁in ▁their ▁live ▁re per toire ▁into ▁ 1 9 7 2 . ▁The ▁first ▁live ▁performance ▁of ▁The ▁Dark ▁Side ▁of ▁the ▁Moon ▁suite ▁in ▁Bright on ▁was ▁abandoned ▁part way