The song was written by Cris Morena and Carlos Nilson, and features all band members — Benjamín Rojas, Felipe Colombo, Camila Bordonaba and Luisana Lopilato — as lead vocals.
"Memoria" was written by Cris Morena and Carlos Nilson, the usual composers of Erreway's songs.
[3] The music video for "Memoria" was made from parts of Erreway's live concerts in Buenos Aires and their movie 4 Caminos.
As it was confirmed the song would be re–released for the band's new album Vuelvo,[3] it is unknown if "Memoria" would be released as a single once again nor if a new video was going to be made.
Erreway performed "Memoria" during their 2004 world tour Gira 2004 as the second song in Israeli leg, after "Para Cosas Buenas".