is the most celebrated song by Andalusian singer-songwriter Carlos Cano , released in 1987 on his album Quédate con la copla . It is widely considered the last great classic of the Spanish copla genre, blending it with Portuguese fado . 1. The True Story Behind the Song

The song is based on a real tragic event from January 5, 1985.

During the wake in Portugal, a mysterious woman dressed in black appeared and watched over the body for several days.