40 Años 1985 2025 is a double album that brings together the greatest hits of Marta Sánchez's career, from her time in Olé Olé, along with some of her most notable collaborations, new tracks, and songs recovered from the Universal Music archives.

This limited edition 2LP includes transparent vinyl and a gatefold sleeve, as well as an exclusive 16-page booklet with material selected for the occasion. The booklet texts are written by Marta Sánchez herself, providing a personal and intimate perspective on the collection.

The content is completed with unpublished or rarely seen photographs, specially recovered for this release. Also notable are several collages made from her personal archive, tracing a more intimate journey through her family side, key moments from her live performances, and collaborations that have marked her career.