19 Days and 500 Nights is one of Joaquín Sabina's most emblematic songs. It was the first single from the album of the same title, released in 1999.
The singer-songwriter from Jaén wanted to turn his career around at that time. The book 19 days and 500 nights, Sabina fin de siglo, by Juan Puchades, states that the single that gives title to the album was "a revenge" so that the woman who had abandoned the singer "felt bad"