▁in ▁ 2 0 1 3 ▁about ▁" B urn ▁the ▁W itch " ▁and ▁Radio head ' s ▁other ▁un re leased ▁songs , ▁producer ▁N ig el ▁God rich ▁respond ed : ▁" Every thing ▁will ▁surface ▁one ▁day ... ▁it ▁all ▁exists ... ▁and ▁so ▁it ▁will ▁eventually ▁get ▁there , ▁I ' m ▁sure ." ▁He ▁c ited ▁the ▁song ▁" N ude ", ▁released ▁on ▁Radio head ' s ▁ 2 0 0 7 ▁album ▁In ▁Rain b ows ▁but ▁written ▁ 1 2 ▁years ▁prior , ▁as ▁an ▁example ▁of ▁a ▁song ▁that ▁took ▁several ▁years ▁to ▁complete . ▁ ▁Rec ording ▁ ▁According ▁to ▁Radio head ▁guitar ist ▁Jon ny ▁Green wood , ▁who ▁arr anges ▁the ▁band ' s ▁string ▁sections , ▁" B urn ▁the ▁W itch " ▁was ▁written ▁with ▁strings ▁in ▁mind . ▁He ▁said : ▁" V ery ▁rarely ▁for ▁us , ▁we ▁managed ▁to ▁get ▁strings ▁on ▁near ▁the ▁beginning ▁[ of ▁the ▁A ▁Moon ▁Sh aped ▁Pool ▁sessions ]. ▁We ▁left ▁it ▁un fin ished ▁on ▁purpose ▁and ▁left ▁lots ▁of ▁room ▁for ▁the ▁strings ▁and ▁we ▁never ▁do ▁that ▁usually . ▁Usually ▁the ▁strings ▁are ▁the ▁ic ing ▁on ▁top ." ▁ ▁The ▁strings ▁were ▁recorded ▁at ▁RA K ▁Studios ▁in ▁London . ▁They ▁were ▁performed ▁by ▁the ▁London ▁Contempor ary ▁Orchestra ▁and ▁conducted ▁by ▁Hugh ▁Br unt ; ▁Green wood ▁had ▁worked ▁with ▁both ▁before ▁on ▁his ▁score ▁for ▁the ▁ 2 0 1 2 ▁film ▁The