onne ▁Rub io ▁P adr ón ▁was ▁born ▁in ▁Hav ana ▁and ▁began ▁to ▁study ▁viol in ▁at ▁the ▁age ▁of ▁seven . ▁During ▁the ▁year ▁ 2 0 0 5 ▁she ▁was ▁selected ▁to ▁join ▁the ▁Latin amer ican ▁Youth ▁Orchestra ▁in ▁Venezuela , ▁conducted ▁by ▁Cla udio ▁Abb ado ▁and ▁Gustav o ▁D ud am el . ▁She ▁has ▁received ▁Master ▁Class es ▁from ▁important ▁personal ities ▁such ▁as ▁G id on ▁Kre mer , ▁Francesco ▁Man ara , ▁Rena ud ▁Cap u çon ▁and ▁Maur icio ▁F uck s , ▁among ▁others , ▁and ▁have ▁received ▁national ▁awards ▁from ▁the ▁Festival ▁de ▁Vi ol ín ▁Manuel ▁Sa um ell ▁ 2 0 0 1 , ▁the ▁Con cur so ▁I bero amer icano ▁de ▁Vi ol ín ▁José ▁White ▁ 2 0 0 3 , ▁and ▁the ▁Conc urs os ▁Musical ia ▁ 2 0 0 9 . ▁I v onne ▁Rub io ▁serves ▁as ▁a ▁Con cert ino ▁at ▁the ▁Campe che ▁Sym phony ▁Orchestra , ▁in ▁Mexico , ▁and ▁offers ▁classes ▁in ▁the ▁same ▁city . ▁ ▁Rafael ▁Mach ado ▁began ▁to ▁study ▁viol in ▁and ▁musical ▁theory ▁in ▁Hav ana , ▁Cuba , ▁in ▁ 1 9 7 2 ; ▁and ▁received ▁his ▁Masters ▁in ▁Music ▁from ▁the ▁Instituto ▁Super ior ▁de ▁Arte ▁of ▁Hav ana , ▁in ▁ 1 9 8 7 . ▁During ▁this ▁period ▁of ▁time ▁he ▁participated ▁in ▁important ▁national ▁viol in ▁compet itions ▁and ▁obtained ▁the ▁first ▁prize ▁in ▁the ▁“ J