Complex sentence: After the release of the second album "Del Entorno", Cardacci was replaced by Rodolfo Marquez, but, one year later, Marquez would be replaced by Walter Martinez, after a demonstration with his band Vorax.
Split into simpler sentences: After the release of their second album, "Del Entorno", Cardacci was replaced by Rodolfo Márquez. One year later, Márquez was replaced by Walter Martínez, after a demonstration with his band Vorax.