▁prepared ▁to ▁record ▁" H ound ▁Dog ", ▁but ▁agreed ▁to ▁do ▁so ▁at ▁the ▁ins istence ▁of ▁R CA ' s ▁assigned ▁producer ▁Stephen ▁H . ▁Sh oles , ▁who ▁argued ▁that ▁"' H ound ▁Dog ' ▁was ▁so ▁identified ▁with ▁El vis ▁that ▁fans ▁would ▁demand ▁a ▁record ▁of ▁the ▁concert ▁standard ." ▁According ▁to ▁A ce ▁Collins : ▁" El vis ▁may ▁not ▁have ▁wanted ▁to ▁record ▁' H ound ▁Dog ', ▁but ▁he ▁had ▁a ▁definite ▁idea ▁of ▁how ▁he ▁wanted ▁the ▁finished ▁product ▁to ▁sound . ▁Though ▁he ▁usually ▁slow ed ▁it ▁down ▁and ▁treated ▁it ▁like ▁a ▁bl ues ▁number ▁in ▁concert , ▁in ▁the ▁studio ▁El vis ▁wanted ▁the ▁song ▁to ▁come ▁off ▁as ▁fast ▁and ▁dynamic ." ▁ ▁While ▁the ▁producing ▁credit ▁was ▁given ▁to ▁Sh oles , ▁the ▁studio ▁record ings ▁reve al ▁that ▁Pres ley ▁produced ▁the ▁songs ▁himself , ▁which ▁is ▁verified ▁by ▁the ▁band ▁members . ▁Gordon ▁Sto ker , ▁First ▁Ten or ▁of ▁the ▁Jordan aires , ▁who ▁were ▁chosen ▁to ▁provide ▁backup ▁vocals , ▁rec alls : ▁" They ▁had ▁dem os ▁on ▁almost ▁everything ▁that ▁El vis ▁recorded , ▁and ▁we ' d ▁take ▁it ▁from ▁the ▁demo . ▁We ' d ▁listen ▁to ▁the ▁demo , ▁most ▁of ▁the ▁time , ▁and ▁we ' d ▁take ▁it ▁from ▁the ▁demo . ▁We ▁had ▁( Big ) ▁M ama ▁Thor nt on ' s ▁record ▁on ▁' H ound ▁Dog ', ▁since ▁she ▁had ▁a ▁record ▁on ▁that