The ranchera star was in poor health after a fall in August that forced him to have surgery.
Locally known as El Rey, the king of Mexican music, Fernandez recorded more than 300 songs, sold more than 65 million albums worldwide and won three Grammys and eight Latin Grammys.
He was best known for his songs “Volver, Volver,” “Por Tu Maldito Amor,” and “El Rey.”
Fernandez — who has a star on the Hollywood Walk of Fame — was named Person of the Year by the Latin Recording Academy in 2002.
