 Complete the following phrase:  The composition and lyrics of the song were written by Sanz and Cabello. The track was produced by the former and music producers Alfonso Pérez and Julio Reyes. The City of Prague Philharmonic Orchestra played orchestra for the song, which was conducted by Czech conductor Adam Klemens, who also played the piano for the song. Spanish flamenco guitarist José Miguel Carmona, lead guitarist from Spanish new flamenco musical group Ketama, played the flamenco guitar. Twice Grammy Award-winning American drummer Larnell Lewis played drums for the song. The song topped the charts in Costa Rica, El Salvador, Guatemala, Nicaragua and Panama. It was the Record of the Year and Best Pop Song on 