Some musical guests confirmed on the album are: Andy Garcia, Carlos Santana, Jose Feliciano, Cachao, La India, Candido Camero, Sheila E., Johnny Pacheco, Papo Lucca, Sal Cuevas, Giovanni Hidalgo, Arturo Sandoval, Paquito D'Rivera, Nelson Gonzalez, Alfredo “Chocolate” Armenteros, Generoso Jimenez, Luis Enrique, and Orestes Vilato.



For the first single, "No Llores", the musical guests are: Carlos Santana, Jose Feliciano and Sheila E.



90 Millas (90 Miles) is the eleventh studio solo album and fourth Spanish album released by American singer Gloria Estefan, but is the twenty-ninth overall, to be released at 2007.



The album is scheduled to be released at September 14, 2007 at Spain, a week later at September 17, 2007 worldwide, but at September 18, 2007 at U.S, because all the new albums are released at Tuesday in U.S.. At September 24, 2007 the album will be released at Japan.



The album will include fourteen new tracks in a form like a letter to her natal country and culture.



The first single is "No Llores" in where Carlos Santana, Jose Feliciano, and Sheila E. contribute. This song includes a lot of Latin-Rhythms and is a danzon. The single was released at American radio-stations on June 18, 2007, while the single was released digitally at American iTunes stores at June 19, 2007. The single on its physical format is scheduled only for Europe at August 23, 2007; a week later of the album release.



The inclusion of Carlos Santana as one of the artists contributing to "90 Millas" stirred a controversy among a tiny minority of the Cuban exile community in the U.S., who alleged Mr. Santana was sympathetic to the Fidel Castro regime and Che Guevara.



Emilio and Gloria issued a joint statement at the end of March, 2007, addressing the controversy. "For the past 32 years of our career our position against the Castro regime has been crystal clear . . . we have expressed our disagreement with the Cuban dictatorship and have spoken worldwide of the pain of the Cuban people. We have never nor would we ever collaborate with anyone who supports the Cuban dictatorship or Che Guevara. This should be apparently clear due to our trajectory," the statement said.



In order to promote the album, Gloria will make an international tour beginning around September, to date it only been confirmed one date at the bullring Las Ventas in Madrid, Spain at September 15, 2007.



The album is named "90 Millas" because that is the distance in miles between the island of Cuba and Key West.

It's her fourth Spanish album, the other three are: Mi Tierra, Abriendo Puertas and Alma Caribeña.

On a Interview made to her at New York she told that she would like a lot to have the late Celia Cruz on her album.