AI beschrijving: "Eres Tú (It's You)" is a song by Spanish singer Alexandra, released in 1974 under the label Ariola Eurodisc. The song belongs to the genres of Pop and Soft Rock, with a distinctive Eurovision-style melodic structure. Key contributors to the song include Alexandra (vocals), and the songwriting duo of Juan Carlos Calderón and Ramón Arcusa. "Eres Tú" holds significant historical importance as it represented Spain in the Eurovision Song Contest 1974, where it finished in second place. The song gained international recognition and has since become a classic of Spanish popular music.