瓦尔多·德洛斯·里奥斯

Osvaldo Nicolás Ferraro, better known as Waldo de los Ríos (1934-1977), was an Argentine musician and film score composer. He is remembered for being the musician for multiple films, both from Argentina and Spain, the latter being his residency during his last fifteen years. He died after shooting himself in the head due to severe depression.