▁the ▁role ▁of ▁the ▁con ga ▁drums ▁in ▁the ▁Cub an ▁rum ba , ▁where ▁the ▁smallest ▁drum ▁is ▁the ▁solo ist . ▁ ▁The ▁pu ja o ▁impro vis ations ▁are ▁centered ▁on ▁a ▁set ▁pattern , ▁but ▁they ▁can ▁achieve ▁an ▁impress ive ▁degree ▁of ▁variety ▁when ▁the ▁per cussion ist ▁is ▁able ▁to ▁t une ▁the ▁drum ▁while ▁performing . ▁This ▁man eu ver ▁is ▁consider ably ▁difficult , ▁and ▁it ▁is ▁based ▁on ▁the ▁bass ▁stroke ▁to ▁t une ▁the ▁drum ▁down ▁and ▁a ▁series ▁of ▁side ▁hits ▁to ▁the ▁edge ▁of ▁the ▁drum ▁head ▁with ▁the ▁he el ▁of ▁the ▁bare ▁hand ▁to ▁t une ▁the ▁drum ▁back ▁up . ▁ ▁The ▁Bar lo vent o ▁towns ▁of ▁Cur ie pe , ▁T ac ar ig ü ita , ▁La ▁B oca ▁and ▁M endo za ▁still ▁maintain ▁the ▁tradition ▁of ▁the ▁C ulo ' e ▁Pu ya , ▁but ▁their ▁sound ▁and ▁unique ▁rh ythm ▁has ▁influenced ▁the ▁rest ▁of ▁the ▁native ▁forms ▁of ▁Venez uel an ▁music . ▁ ▁Com mer cial ▁record ings ▁featuring ▁the ▁c ulo ' e ▁pu ya ▁The ▁American ▁jazz ▁composer ▁Henry ▁Thread g ill ▁featured ▁two ▁c ulo ' e ▁pu ya ▁players ▁on ▁his ▁ 1 9 9 3 ▁album ▁To o ▁Much ▁Sug ar ▁for ▁a ▁D ime . ▁Cub an ▁pian ist ▁O mar ▁S osa ▁included ▁the ▁sound ▁of ▁c ulo ' e ▁pu y as ▁in ▁his ▁release ▁entitled ▁Sent ir . ▁ ▁Bibli ography