Complex sentence: Marta released her 4th album, "Desconocida" in 1998 which includes the hits "Desconocida", "Quiero Mas De Ti" and "Los Mejores Anos de Nuesta Vida".
Split into simpler sentences: Marta released her 4th album, "Desconocida" in 1998. Which incluses the hits "Desconocida" "Quiero Mas De Ti" & "Los Mejores Anos de Nuesta Vida".