In 1955 Rubén Fuentes stopped performing in the group. However, to date he maintains his position as producer, musical arranger and musical director, assisted during this first age by Jesús Rodríguez de Hijar and, under both, the administrative and leadership skills of Silvestre Vargas. In 1966 Rubén Fuentes wrote "La Bikina", a song that was recognized as the epitome of this Revolutionary New Harmony and sound of the mariachi. He continues to write and produce music for Mariachi Vargas that takes is an emotional roller coaster from the height of happiness to the despair of a broken heart or a lost love. As much in Mexico as in foreign countries the Sones and Huapangos acquire new directions.