The song is titled "Hala Madrid!...y nada ms"; the "Hala Madrid" in the title is a battle cry traditionally associated with the club and often chanted by fans and players of the club alike. "Hala" has been suggested to be a word of Arabic origin meaning "Go" or "Come on" and used to encourage the team.
A fan of Real Madrid. Wiktionary. Someone who works for Real Madrid. Wiktionary.