Songs were heard between mid-1976 year when the author was able to sing his first song memorized after listening it only from the radio until April 2014 writing this paper. Many songs were recurrently listened to during that period, keeping the family custom of hearing that music at least six days a week during at least three hours per day.
Las canciones fueron escuchadas, en muchos casos recurrentemente, entre mediados de 1976 primera vez que el autor fue capaz de cantar de memoria una canción escuchada solamente en la radio y abril de 2014 escritura de este documento, manteniendo la costumbre familiar de oír esos tipos de música al menos seis días por semana durante al menos tres horas al día.