"La Incondicional" ("Unconditional") is a pop song written, produced, and arranged by Juan Carlos Calderón and performed by Mexican singer Luis Miguel. It was released in 1989 as the third single from his studio album entitled Busca Una Mujer and became his second #1 single on the Billboard Hot Latin Tracks chart after "Ahora Te Puedes Marchar" in 1987. The song broke several airplay records in Latin America spending seven months at the top of the charts in Mexico(in which it became the biggest hit of the year), Argentina, Chile and Spain among many others countries. The success of the song helped push the album to #4 on the Billboard Latin Pop Albums with approximate sales of three million units.