. ▁ ▁Bill ▁Taylor ▁is ▁an ▁early ▁Scottish ▁and ▁Wel sh ▁har per ▁who ▁is ▁research ing , ▁re construct ing ▁and ▁recording ▁definit ive ▁performances ▁of ▁early ▁Cer dd ▁D ant ▁music ▁on ▁rep lica ▁historical ▁gut - str ung ▁Roman es que ▁har ps ▁and ▁late - med ieval ▁b ray ▁har ps . ▁Taylor ▁has ▁published ▁extensive ▁online ▁resources ▁out lin ing ▁this ▁applied ▁performance - based ▁research . ▁Taylor ▁and ▁Irish ▁wire - str ung ▁har p ist ▁Paul ▁Do ole y ▁discuss ▁and ▁perform ▁demonstr ations ▁of ▁the ▁ap ▁H uw ▁music ▁in ▁the ▁recent ▁BBC ▁document ary ▁History ▁of ▁the ▁Har p . ▁ ▁There ▁is ▁debate ▁over ▁the ▁interpretation ▁of ▁references ▁in ▁Wel sh ▁manuscript s ▁to ▁the ▁role ▁of ▁gut - str ung ▁and ▁horse ▁hair - str ung ▁b ray ▁har ps ▁in ▁the ▁late - Middle ▁A ges . ▁Taylor ▁cons iders ▁these ▁to ▁be ▁the ▁authentic ▁instruments ▁for ▁the ▁performance ▁of ▁Cer dd ▁D ant . ▁He ym ann ▁and ▁Ch ad wick ▁are ▁contrib uting ▁to ▁a ▁research ▁project ▁to ▁re construct ▁an ▁early ▁Wel sh ▁horse ▁hair - str ung ▁b ray ▁har p , ▁testing ▁this ▁theory ▁through ▁application . ▁ ▁Peter ▁Green hill ' s ▁reading ▁of ▁the ▁manuscript s ▁has ▁led ▁him ▁to ▁conclude ▁that ▁the ▁pieces ▁were ▁played ▁on ▁a ▁wire ▁str ung ▁har p ▁and ▁that ▁they ▁were ▁instrument al ▁pieces , ▁though ▁he ▁the or ises ▁that ▁the ▁C ly m au ▁C yt