On 17 December 2012, Radiotelevisión Española (RTVE) announced that it had internally selected El Sueño de Morfeo as its representative for the 58th edition of the Eurovision Song Contest.

[2] At the national final, which took place on 26 February 2013 and was aired on La 1 of Televisión Española, the winning song was determined by 50% televoting and 50% jury vote.

"Contigo hasta el final" got the highest score by both the juries and televote, and thus was chosen to represent Spain in Eurovision.

[3] The original version of the song was released as a single on digital platforms on 5 March 2013 as "Contigo hasta el final (Versión Gala TVE Eurovisión)".

The video, directed by Pedro Castro, was filmed in different locations in the municipality of Llanes (Asturias), in early March.