In 1922, Puerto Rican radio station “WKAQ” inaugurated it’s radio transmission in the island with a program called “Industrias Nativas” (Native industries) and Martinez and his trio were participants. It was the first time in Puerto Rican history that the radio listening public was to hear a “cuatro” via the airwaves. Martinez met many established musicians of the time, among them Felipe (“Don Felo”) Rosario Goyco and Ernestico Leocadio Vizcarrondo. Goyco and Vizcarrondo joined Martinez and named their group “Aurora.” It was during this time that Martinez began to record his compositions and those written by others. He wrote over four hundred musical compositions which included boleros, danzas, guarachas, waltz’s, zambas and polkas.

In 1934, Martinez and the members of Aurora had two radio programs, “Jíbaros de la Radio” (Peasants of the radio) and “Industrias Nativas”. They rename their group “Conjunto Industrias Nativas” and among the singers who performed with them was Jesús Sánchez Erazo, better known as “Chuíto el de Bayamón” and Tito Rodriguez who as a 13 year old joined the group in 1936. In the later part of the 1930s, Martinez renamed his group and they became known as “Conjunto Típico Ladi”. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.