The album was highly successful in Latin America. It was certified gold in Colombia during its first day of sales and was certified platinum and multi-platinum in countries including Colombia, United States, Mexico, and Spain. The album spent 92 weeks in the top ten of Billboards Top Latin Albums chart, setting a new record and spent a total of two years on the chart.
The album also features "Fotografía" ("Photograph"), a duet with the Canadianpop singer Nelly Furtado about the isolation between lovers. All songs on the album were self-written by Juanes, except for the last song, "La Noche" ("The Night"), which was written by Joe Arroyo.
"A Dios le Pido" ("I Ask God") is the first single from Un Día Normal. It was primarily released in 2002 in Spain and Latin America. In 2006, the song was re-released in some countries in Europe due the success of "La camisa negra", which peaked in almost every European country in the top five.
"Fotografía" ("Photograph") is a song recorded by Juanes and Nelly Furtado for Un Día Normal. The duet was extremely successful in Latin America on the Latin Charts in the US; it reached number one on the U.S. BillboardHot Latin Tracks chart. The song became his third number one hit in Argentina and second one in Chile.
#1 (US Hot Latin/US Latin Pop), #4 (US Latin Tropical)
"La Paga" is the fifth single from the album. The single version features Taboo from the popular band The Black Eyed Peas. The song became less successful than the previous singles, due the fact it did not receive promotion like the former singles did. It was the second single released in Europe after "A Dios le pido."
#2 (World Latin Singles), #3 (US Latin Pop/US Latin Tropical), #5 (US Hot Latin), #29 (Switzerland)
"Un Día Normal"
"Un Día Normal" ("A Normal Day") was released as the album's sixth and last single.