Complex sentence: The most well-known Mexican singer of the 1970s and 1980s was José José, known as "El Principe de La Cancion" (The Prince of the Song), is recognizable for his romantic ballads and gifted vocals.
Split into simpler sentences: The most well-known Mexican singer of the 1970s and 1980s was José José. Known as "El Principe de La Cancion" (The Prince of the Song), he is recognizable for his romantic ballads and gifted vocals.