▁during ▁the ▁ 1 9 8 0 s ▁and ▁ 1 9 9 0 s . ▁ ▁Death , ▁legacy ▁and ▁t ributes ▁In ▁June ▁ 2 0 1 1 , ▁Campbell ▁announced ▁he ▁had ▁been ▁diagn osed ▁with ▁Al z heimer ' s ▁disease ▁six ▁months ▁earlier . ▁He ▁became ▁a ▁patient ▁at ▁an ▁Al z heimer ' s ▁long - term ▁care ▁and ▁treatment ▁facility ▁in ▁ 2 0 1 4 . ▁That ▁same ▁year ▁Campbell ▁was ▁the ▁subject ▁of ▁the ▁document ary ▁Glen ▁Campbell : ▁I ' ll ▁Be ▁Me , ▁directed ▁by ▁long time ▁friend ▁James ▁K each , ▁which ▁exam ined ▁Campbell ' s ▁Al z heimer ' s ▁diagn osis ▁and ▁how ▁it ▁affected ▁his ▁musical ▁performances ▁during ▁his ▁final ▁tour ▁across ▁the ▁United ▁States ▁with ▁his ▁family . ▁The ▁document ary ▁received ▁critical ▁acc laim , ▁being ▁one ▁of ▁the ▁rare ▁films ▁to ▁achieve ▁a ▁ 1 0 0 % ▁rating ▁on ▁Rotten ▁Tomatoes . ▁ ▁Campbell ▁died ▁in ▁Nash ville , ▁Tennessee , ▁on ▁August ▁ 8 , ▁ 2 0 1 7 , ▁at ▁the ▁age ▁of ▁ 8 1 . ▁He ▁was ▁buried ▁in ▁the ▁Campbell ▁family ▁c emetery ▁in ▁Bill st own , ▁Ark ansas . ▁ ▁In ▁June ▁ 2 0 2 0 , ▁Campbell ' s ▁wife ▁of ▁ 3 4 ▁years , ▁Kim ▁Campbell , ▁will ▁publish ▁Gent le ▁on ▁My ▁Mind : ▁In ▁S ick ness ▁and ▁in ▁Health ▁with ▁Glen ▁Campbell , ▁a ▁mem oir ▁of ▁their