Effective period / Period of releases: 1975 - 1976

Bolivian cumbia and folklore band active since the early 1970s. Since at least 1975, led by guitarist Rodolfo Calatayud, formerly guitarist of Los Graduados. Other members include vocalist Guillermo Chuquimia, saxophonist Hugo Lopez, and brothers Raul and Luis Calatayud. Their lineup varied between records. In 1980 they moved from Lauro Records to the label Discos Heriba. The group is still active today, led by Raul Calatayud, since Rodolfo retired from the group in 1988.