The song was written in 2005 by Francisca Valenzuela, and was produced by Mauricio Duran and Francisco Duran. The song was released on 7 January 2008 on radio and Digital Download. This song is her most acclaimed work by critics.
The official music video for the song "Afortunada" was premiered on MTV Latin America on 16 February 2008 with high popularity in the Chilean music channels, later was premiered for Via X and Zona Latina. The music video was directed by Christopher Murray and Ignacio Rojas in the simple music video shows to Francisca with a couple friends in an Amusement park.