Complex sentence: Javiera's first officially released solo single was "Sol de Invierno," which was included in the 2005 compilation album "Panorama Neutral", and after that "Cámara Lenta" was included in the soundtrack of Alberto Fuguet's movie "Se arrienda".
Split into simpler sentences: Javiera's first song officially published was "Sol de Invierno", which was included in the 2005 compilation album "Panorama Neutral". Another song, "Cámara Lenta", shortly after was included in the soundtrack of Alberto Fuguet's movie "Se arrienda".