▁cities . ▁In ▁ 1 9 1 9 ▁R old án ▁travel led ▁to ▁Cuba , ▁where ▁began ▁working ▁as ▁a ▁professor , ▁and ▁subsequently , ▁in ▁ 1 9 2 2 , ▁he ▁joined ▁the ▁Hav ana ▁Sym phony ▁Orchestra , ▁conducted ▁by ▁Pedro ▁San ju án . ▁In ▁ 1 9 2 6 , ▁he ▁organized ▁together ▁with ▁Ale jo ▁Car pent ier ▁a ▁series ▁of ▁concert s ▁of ▁contemporary ▁Cub an ▁music , ▁and ▁next ▁year ▁participated ▁as ▁first ▁viol in ▁in ▁the ▁Hav ana ▁String ▁Quart et , ▁along ▁with ▁famous ▁composer ▁Jo aqu ín ▁Tur ina . ▁In ▁ 1 9 3 1 , ▁he ▁founded ▁with ▁the ▁pian ist ▁César ▁Pérez ▁S enten at ▁the ▁Hav ana ▁“ E sc uela ▁Normal ▁de ▁M ús ica ” ▁and ▁was ▁named ▁conduct or ▁of ▁the ▁Phil harm onic ▁Or ch etra ▁of ▁Hav ana . ▁R old án ▁was ▁also ▁Director ▁of ▁the ▁Hav ana ▁Municipal ▁Conserv atory , ▁that ▁still ▁be ars ▁his ▁name . ▁ ▁Alberto ▁Mate u ▁( 1 9 0 3 - ?) ▁was ▁born ▁in ▁Gu an ab aco a , ▁Hav ana , ▁and ▁studied ▁viol in ▁at ▁Conserv atorio ▁Mate u , ▁from ▁which ▁his ▁father ▁was ▁founder ▁and ▁Director . ▁At ▁a ▁later ▁time , ▁Mate u ▁travel led ▁to ▁Br uss els , ▁where ▁he ▁continued ▁his ▁musical ▁studies . ▁He ▁offered ▁concert s ▁in ▁several ▁European ▁cities , ▁as ▁well ▁as ▁in ▁Cuba , ▁where ▁he ▁appeared ▁as