The song "Hero" by Enrique Iglesias is written in the key of A Major. It was released in 2001 as part of his second English-language album, "Escape". The song was both performed and composed by Enrique Iglesias himself, alongside Paul Barry and Mark Taylor. As a trivia, "Hero" was initially offered to various artists, including Michael Jackson and Cher, who declined the opportunity. The melody of the song is characterized by its heartfelt and passionate vocals, accompanied by gentle acoustic guitar and piano melodies, creating an emotional and uplifting atmosphere.