▁devoted ▁his ▁life ▁to ▁chang ü í , ▁a ▁music ▁style ▁that ▁preced ed ▁the ▁son ▁cub ano . ▁ ▁During ▁his ▁youth ▁he ▁played ▁at ▁parties ▁and ▁in ▁est udi ant inas ▁( student ▁groups ) ▁and ▁children ' s ▁groups . ▁T ogether ▁with ▁his ▁brother ▁Art uro ▁( who ▁played ▁the ▁b ong os ), ▁he ▁formed ▁Los ▁Jó ven es ▁del ▁Gu aso ▁in ▁ 1 9 3 4 . ▁He ▁also ▁played ▁with ▁Rafael ▁In ci arte ▁B ri oso ' s ▁Or questa ▁Crist al ▁and ▁in ▁Con ch ita ▁Bra vo ' s ▁ensemble . ▁In ▁ 1 9 3 7 ▁he ▁joined ▁Lil í ▁Martínez ' s ▁group , ▁Los ▁Champions ▁de ▁Lil í ▁Martínez , ▁which ▁played ▁for ▁the ▁C M K H ▁and ▁C M KS ▁radio ▁stations . ▁After ▁the ▁departure ▁of ▁Martínez ▁the ▁band ▁renamed ▁itself ▁Los ▁S iet e ▁Am igos ▁( The ▁Seven ▁Fri ends ). ▁Lat amb lé ▁then ▁joined ▁trova ▁ensemble ▁La ▁Tro va ▁Trad icional ▁de ▁Gu ant án amo , ▁Or questa ▁Sib oney , ▁and ▁was ▁h ired ▁by ▁Martínez ▁again , ▁this ▁time ▁in ▁his ▁band ▁La ▁R are za ▁del ▁ 4 3 . ▁Lat amb lé ▁had ▁a ▁significant ▁influence ▁in ▁Martínez ' s ▁piano ▁style ; ▁Martínez ▁trans cribed ▁Lat amb lé ' s ▁playing , ▁thus ▁incorpor ating ▁the ▁n eng ón ▁and ▁chang ü í ▁into ▁contemporary ▁son ▁piano ▁playing . ▁ ▁In ▁ 1 9 4 5