▁recorded ▁over d ubs ▁including ▁piano ▁( play ed ▁by ▁Martin ), ▁ban jo , ▁guitar ▁and ▁some ▁vocal ▁parts . ▁Among ▁the ▁latter ▁were ▁the ▁" L ove , ▁love , ▁love " ▁ref ra ins , ▁and ▁a ▁L enn on ▁vocal ▁over ▁the ▁song ' s ▁ch or uses . ▁On ▁ 2 3 ▁June , ▁the ▁band ▁began ▁re he ars ing ▁the ▁song ▁with ▁an ▁or chestra , ▁whose ▁playing ▁was ▁also ▁added ▁to ▁the ▁backing ▁track . ▁On ▁ 2 4 ▁June , ▁the ▁day ▁before ▁the ▁broadcast , ▁the ▁Beat les ▁decided ▁that ▁the ▁song ▁would ▁be ▁their ▁next ▁single . ▁Late ▁that ▁morning , ▁a ▁press ▁call ▁was ▁held ▁at ▁E MI ▁Studios , ▁attended ▁by ▁over ▁ 1 0 0 ▁journal ists ▁and ▁photograph ers , ▁followed ▁by ▁further ▁re he ars als ▁and ▁recording . ▁Public ity ▁photos ▁were ▁taken ▁during ▁the ▁press ▁call ▁and ▁re he ars als , ▁and ▁a ▁BBC ▁television ▁crew ▁blocked ▁the ▁camera ▁angles ▁required ▁for ▁the ▁live ▁performance . ▁As ▁part ▁of ▁this ▁pre - bro ad cast ▁promotion , ▁the ▁Beat les ▁pos ed ▁in ▁a ▁yard ▁beside ▁the ▁studio ▁building , ▁we aring ▁bo ards ▁that ▁together ▁sp elt ▁out ▁" All ▁You ▁Need ▁Is ▁Love " ▁and ▁approxim ations ▁of ▁the ▁song ▁title ▁in ▁three ▁other ▁languages . ▁ ▁Live ▁broadcast ▁ ▁The ▁Our ▁World ▁broadcast ▁took ▁place ▁in ▁the ▁w ake ▁of ▁the ▁Arab – Is ra eli ▁Six - Day ▁War ▁and