Complex sentence: In 1984, the band incluyed to Lito Epumer in the main guitar, and remplazed to Leo Sujatovich for Mono Fontana in the keyboards, and presented his fourth and last album: "Madre en años luz" in the Luna Park Stadium.
Split into simpler sentences: In 1984, the band included Lito Epumer in the main guitar, and replaced Leo Sujatovich for Mono Fontana in the keyboards. They went on to present their fourth and last album, "Madre en años luz", with a concert at the Luna Park Stadium.