 The lyrics of Rockdrigo mixed the urban lifestyle with the troubles of the urban poor, and found many listeners among students.His songs could also be tender, such as "Metro Balderas," the ballad about a man who has lost his lover, and hijacks a subway train.In the early 1980s he and other musicians including Rafael Catana, Jaime Lopez, and Roberto Ponce founded the "La Liga de Musicos Errantes y Cantantes Rupestres" (The League of Wandering Musicians and Prehistoric Cavemen Singers) which became known as the "Movimiento Rupestre", a folk music scene that strongly influenced Mexican rock for the next ten years or so.