Spain's World Cup anthem sung by captain Sergio Ramos

The upbeat track was co-writtern with flamenco singer Demarco Flamenco

 Sergio Ramos of Real Madrid celebrates victory after the UEFA Champions League Final between Real Madrid and Liverpool at NSC Olimpiyskiy Stadium on May 26, 2018 in Kiev, Ukraine. (Photo by Shaun BotShow more

Spain football team captain Sergio Ramos released an anthem for his nation's World Cup campaign on June 1, which he co-wrote with Spanish flamenco fusion singer Demarco Flamenco.

The 32-year-old, who also captains the Spanish club Real Madrid, uploaded on his Instagram page a short video teaser of the song, which he is seen performing with Flamenco, a former gas canister distributor.

"I always keep my promises. This is what my friend Demarco Flamenco and I have been working on. Warming up for the World Cup," Ramos wrote alongside the video which has been seen nearly four million times.

The mid-tempo ballad called Otra estrella en tu corazon, translated to Another Star in your Heart was made available on iTunes and other online platforms on Friday.

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The lyrics include: "Come on, Spain, raise your voice; scream loudly, shout that goal. Thinking big we will achieve the best, fighting together, towards the star with honour. We have to try. May La Roja shine once more."

Demarco, whose real name is Marco Jesus Borrego, told Spanish public broadcaster RTVE he wrote the lyrics with Ramos.

"He worked on it from his end, I did it from mine," he said.

The 38-year-old, who like Ramos is from the south-western region of Andalusia, released his first album last year.

Ramos also sang lead vocals for Spain's Euro 2016 song La Roja Baila, or La Roja dances.

Spain won its only World Cup in 2010. It won the European Championship in 1964, 2008 and 2012.

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