▁rest oring ▁the ▁Chapter ▁House ▁he ▁allowed ▁its ▁stones ▁to ▁be ▁util ised ▁for ▁alter ations ▁to ▁the ▁Bishop ' s ▁Palace . ▁ ▁It ▁was ▁during ▁this ▁period ▁that ▁his ▁brother , ▁Thomas ▁B isse , ▁was ▁the ▁Chan cell or ▁of ▁the ▁C athedral . ▁In ▁ 1 7 2 4 ▁Thomas ▁B isse ▁organ ised ▁a ▁" Music ▁Me eting " ▁which ▁subsequently ▁became , ▁with ▁the ▁C athed r als ▁at ▁Wor c ester ▁and ▁Gl ouc ester , ▁the ▁Three ▁Ch oir s ▁Festival . ▁▁ 1 7 8 6 : ▁Fall ▁of ▁the ▁western ▁tower ▁ ▁On ▁E aster ▁Monday , ▁ 1 7 8 6 , ▁the ▁greatest ▁dis aster ▁in ▁the ▁history ▁of ▁the ▁c athedral ▁took ▁place . ▁The ▁west ▁tower ▁fell , ▁creating ▁a ▁ru in ▁of ▁the ▁whole ▁of ▁the ▁west ▁front ▁and ▁at ▁least ▁one ▁part ▁of ▁the ▁nave . ▁The ▁tower , ▁which , ▁unlike ▁the ▁west ▁tower ▁of ▁E ly , ▁was ▁in ▁the ▁west ▁bay ▁of ▁the ▁nave , ▁had ▁a ▁general ▁res embl ance ▁to ▁the ▁central ▁tower ; ▁both ▁were ▁prof us ely ▁covered ▁with ▁ball - flow er ▁orn aments , ▁and ▁both ▁terminated ▁in ▁lead en ▁sp ires . ▁James ▁Wy att ▁was ▁called ▁in ▁to ▁repair ▁the ▁damage . ▁As ▁he ▁did ▁at ▁Dur ham , ▁instead ▁of ▁just ▁repair ing , ▁he ▁made ▁alter ations ▁which ▁were ▁( and ▁are ) ▁not ▁univers ally ▁popular . ▁▁ 1 9 th - century