"El Choclo" is a popular song written by Ángel Villoldo, an Argentine musician. Allegedly written in honour of and taking its title from the nickname of the proprietor of a nightclub, who was known as "El Choclo". It is one of the most popular tangos in Argentina. The song became popular in the United States under the name "Kiss of Fire" after English language words written by Lester Allen and Robert Hill were added to the song. The English version of the song was first recorded by Louis Armstrong, and later became a number 1 charting song with over a million record sales for singer Georgia Gibbs.

Ángel Gregorio Villoldo Arroyo was an Argentine musician and one of the pioneers of tango music. He was lyricist, composer, and one of the major singers of the era. He is also known by the pseudonyms A. Gregorio, Fray Pimiento, Gregorio Giménez, Angel Arroyo, and Mario Reguero. Villoldo transformed the Spanish tanguillos, the cuplés, and the habaneras, turning the continental genres into native Argentine rhythms.