"La Luz" (English: The Light) is a song written and performed by the Colombian singer-songwriter Juanes, released as the lead single from his sixth studio album Loco de Amor (2014) on December 16, 2013. The song was produced by the American producer Steve Lillywhite. The music video for the song was directed by Jessy Terrero and filmed in Cartagena. An alternate version of the song featuring Brazilian singer Claudia Leitte was also released.

After the success for his second live album, MTV Unplugged (2012), the singer decided get back to the studio. At the Grammy Awards of 2013, Juanes presented and performed totally in English, singing "Your Song" of Elton John, being the first time watch Juanes singing a song in other language. This presentation caught the attention for many fans and journalist, about the possibility for record his next studio album in English. On November in the same year, Juanes with Carlos Santana presented the category of Album of the Year at the Latin Grammy Awards of 2013, they performed "La Flaca", original song for the Spanish rock band Jarabe de Palo, four days later released the song as the first single from the twenty-third studio album of Santana. In December 11, Juanes uploaded a video via Facebook, talking about of the new single from his upcoming album. Then in Twitter, showed the official cover for "La Luz" (The Light) and the date that will be released. The lead single, "La Luz" was released on December 16, 2013 from his sixth studio album Loco De Amor.

Following its release, "La Luz" received some reviews from music critics. Thom Jurek of Allmusic, said that the song "melds 21st century EDM" with the "Colombian cumbia and Latin alt-rock", in a driving with "infectious dancefloor groover", and praised the vocal performance from Juanes, when he refers about his "killer falsetto". Hector Aviles of Latin Music Café, compared the song with "Yerbatero", said that have a similar in the "fast beat and high energy with simplistic lyrics". Aviles added that the song mixes the electronica with Colombian folk, within a pop-rock style, also said that is innovative but musicality doesn't offer much.

...
Wikipedia