sentences:  Grupo Armado
  
  Grupo Armado was a popular Nicaraguan rock band formed by Alejandro Mejía (lead vocals and percussion), Bikentios Chávez (drums), Noel Portocarrero (bass) and Ernesto Rodríguez (lead guitar).This was actually the line up for the Ecosistema del Sistema Album's release but most of the album's tour was executed(guitars) by another guitarist named Arturo Vaughan who was the guitarist with more stability during the band's existence.