FILE - In this Feb. 14, 2009 file photo, singer Vicente Fernandez performs at a free concert during Valentine's Day in Mexico City's Zocalo. Fernandez will present his last concert on Saturday, April 16, 2016 at Estadio Azteca in Mexico City. According to people who know him, it's a suitable farewell, but may not be the last thing we hear from the star of Mexican regional music. (AP Photo/Claudio Cruz, File)
Mexican singer Vicente Fernandez performs at a free concert at Azteca Stadium in Mexico City, Saturday, April 16, 2016. Vicente Fernandez dazzled in his farewell concert in the Azteca Stadium. The star of Mexican regional music toured more than 50 years of experience across the wide repertoire of his farewell concert. (AP Photo/Marco Ugarte)
Mexican singer Vicente Fernandez sings with his son Alejandro during a free concert at Azteca Stadium in Mexico City, Saturday, April 16, 2016. Vicente Fernandez dazzled in his farewell concert in the Azteca Stadium. The star of Mexican regional music toured more than 50 years of experience across the wide repertoire of his farewell concert. (AP Photo/Marco Ugarte)
Mexican singer Vicente Fernandez sings with his son Alejandro performs at a free concert at Azteca Stadium in Mexico City, Saturday, April 16, 2016. Vicente Fernandez dazzled in his farewell concert in the Azteca Stadium. The star of Mexican regional music toured more than 50 years of experience across the wide repertoire of his farewell concert. (AP Photo/Marco Ugarte)
Mexican singer Vicente Fernandez performs at a free concert at Azteca Stadium in Mexico City, Saturday, April 16, 2016. Vicente Fernandez dazzled in his farewell concert in the Azteca Stadium. The star of Mexican regional music toured more than 50 years of experience across the wide repertoire of his farewell concert. (AP Photo/Marco Ugarte)
Mexican singer Vicente Fernandez performs at a free concert at Azteca Stadium in Mexico City, Saturday, April 16, 2016. Vicente Fernandez dazzled in his farewell concert in the Azteca Stadium. The star of Mexican regional music toured more than 50 years of experience across the wide repertoire of his farewell concert. (AP Photo/Marco Ugarte)