▁explore ▁areas ▁populated ▁by ▁Latin ▁America ' s ▁ind igen ous ▁and ▁African - desc ended ▁minor ities . ▁The ▁du o ▁was ▁strongly ▁influenced ▁by ▁the ▁experience ; ▁Vis it ante ▁discovered ▁and ▁purchased ▁several ▁new ▁musical ▁instruments ▁on ▁the ▁trip ▁including ▁a ▁qu ij ada , ▁a ▁char ango ▁and ▁a ▁bom bo ▁leg ü ero , ▁all ▁of ▁which ▁were ▁used ▁on ▁the ▁du o ' s ▁song ▁" L l leg ale ▁a ▁Mi ▁Gu ar ida ". ▁ ▁Res idente ▁considered ▁this ▁album ▁to ▁be ▁dark er ▁than ▁the ▁first , ▁but ▁also ▁more ▁intros pective ▁and ▁bi ographical . ▁The ▁album ▁gar ner ed ▁controvers y ▁for ▁its ▁sexual ▁and ▁religious ▁over ton es . ▁As ▁part ▁of ▁the ▁album , ▁Cal le ▁ 1 3 ▁fil med ▁the ▁video ▁for ▁their ▁first ▁single ▁off ▁the ▁album , ▁" T ango ▁del ▁P ec ado ", ▁on ▁February ▁ 2 5 , ▁ 2 0 0 7 . ▁ ▁In ▁May ▁ 2 0 0 7 , ▁the ▁du o ▁performed ▁at ▁V ive ▁Lat ino , ▁and ▁the ▁public ▁answered ▁them ▁by ▁throwing ▁be er ▁bott les ▁filled ▁with ▁ur ine . ▁In ▁ 2 0 1 0 , ▁when ▁taking ▁part ▁of ▁the ▁same ▁festival , ▁they ▁were ▁less ▁bitter ly ▁wel com ed . ▁On ▁July ▁ 2 0 0 7 , ▁Cal le ▁ 1 3 ▁te amed ▁up ▁with ▁Jul io ▁Vol t io ▁to ▁speak ▁out ▁against ▁police ▁brut ality ▁in