born ▁ 1 9 9 1 ), ▁Brazil ian ▁spr inter ▁ ▁Gustav o ▁Santos ▁( polit ician ), ▁Argent ine ▁politician <0x0A> </s> ▁Leon ardo ▁C ár den as ▁Pala cios ▁( born ▁April ▁ 2 9 , ▁ 1 9 6 8 ▁in ▁Gu aya qu il , ▁E cuador ) ▁is ▁an ▁E cuador ian ▁composer , ▁pian ist ▁and ▁or chestra ▁director . ▁He ▁studied ▁at ▁the ▁Conserv atorio ▁de ▁M ús ica ▁Salvador ▁B ust am ante ▁C eli ▁( Sal v ador ▁B ust am ante ▁C eli ▁Music ▁Conserv atory ) ▁in ▁Lo ja ▁with ▁many ▁famous ▁mus icians , ▁both ▁E cuador ian ▁and ▁from ▁abroad . ▁ ▁He ▁was ▁member ▁of ▁bands ▁like ▁Ju ven il ▁from ▁P ich in cha ▁and ▁Qu ito ▁Metropolitan ▁Sym ph onic ▁Band ▁as ▁a ▁keyboard ist , ▁composer ▁and ▁arr anger . ▁He ▁has ▁been ▁a ▁musical ▁director , ▁composer ▁and ▁arr anger ▁for ▁various ▁groups ▁and ▁popular ▁E cuador ian ▁solo ists : ▁P ue blo ▁Nue vo , ▁Mar gar ita ▁Las o , ▁Alberto ▁Cal er is , ▁Hugo ▁H id ro bo , ▁Ch im era , ▁L oli ▁Burn et , ▁Beat riz ▁Gil , ▁Viv iana ▁González , ▁T anya ▁Rom án ▁and ▁others . ▁ ▁Professional ▁Career : ▁ 1 9 9 9 - 2 0 0 5 ▁He ▁founded ▁the ▁Studio ▁of ▁Department ▁of ▁Musical ▁Development ▁and ▁D iss em ination ▁of ▁the ▁Municip ality ▁of ▁Qu ito ,