▁Latin ▁r iff ▁form ▁that ▁was ▁used ▁in ▁Pres ley ' s ▁" H ound ▁Dog " ▁was ▁known ▁as ▁" H aban era ▁rh ythm ," ▁which ▁is ▁a ▁Spanish ▁and ▁African - American ▁musical ▁beat ▁form . ▁After ▁the ▁release ▁of ▁" H ound ▁Dog " ▁by ▁Pres ley , ▁the ▁H aban era ▁rh ythm ▁gained ▁much ▁popular ity ▁in ▁American ▁popular ▁music . ▁ ▁Pres ley ' s ▁first ▁appearance ▁in ▁Las ▁Veg as ▁was ▁in ▁the ▁Ven us ▁Room ▁of ▁the ▁New ▁Front ier ▁Hotel ▁and ▁Cas ino ▁from ▁Monday , ▁April ▁ 2 3 ▁through ▁May ▁ 6 , ▁ 1 9 5 6 , ▁as ▁an ▁" extra ▁added ▁att raction ", ▁third ▁on ▁the ▁bill ▁to ▁Fred dy ▁Martin ▁and ▁His ▁Orchestra ▁and ▁to ▁com ed ian ▁She ck y ▁Gre ene . ▁However , ▁" because ▁of ▁audience ▁diss atisf action , ▁low ▁attend ance , ▁and ▁uns av ory ▁behavior ▁by ▁under age ▁fans ", ▁the ▁book ing ▁was ▁reduced ▁to ▁one ▁week . Don ▁Ty ler , ▁Music ▁of ▁the ▁Post war ▁Era ▁( ABC - CLI O , ▁ 2 0 0 8 ) ▁p . ▁ 2 2 3 . ▁At ▁that ▁time , ▁Fred die ▁Bell ▁and ▁the ▁Bell bo ys , ▁who ▁had ▁been ▁performing ▁as ▁a ▁resident ▁act ▁in ▁the ▁Silver ▁Queen ▁Bar ▁and ▁C ock tail ▁L oun ge ▁in ▁the ▁S ands ▁Cas ino ▁since ▁ 1 9 5 2 , ▁were ▁one ▁of ▁the