Colombia was represented at the OTI Festival 1973 with the song "", written by Alfonso de la Espirella, and performed by Claudia Osuna. The Colombian participating broadcasters, , (PUNCH), and (RTI), selected their entry through a national competition. The song, that was performed in position 6, placed ninth out of 14 competing entries, tying with the songs from Argentina and Venezuela with 3 votes.
National stage , (PUNCH), and (RTI) held a national televised competition to select their entry for the 2nd edition of the OTI Festival within PUNCH's regular show broadcast on Inravisión's .
The opened a public submission period for songs with a deadline of 31 May 1973. The songs had to be original, not having been published or performed in public before 15 May, and not last more than three and a half minutes. The competition consisted of two qualifying phases and a final. In the first phase, which took place between 20 May and 29 June, each song was presented on television performed by the artist registered by the songwriter in the song's application. At the end of the first phase, the ten best songs and the ten best performers qualified for the second phase. In the second phase, which took place between 5 August and 16 September, the ten shortlisted songs were performed by their original artist and by some of the qualified artists, and the finalists were chosen from among them.
+ Competing entries on the National OTI Festival – Colombia 1973 Song Songwriter(s) "" Nancy Pulccio de Mejía "" "" Elia Fleta "" Alfonso de la Espirella
Final The final was held on Sunday 16 September 1973, and was presented by Pacheco and María Cristina. The participating entries were accompanied by an orchestra conducted by . The show featured guest performances by Cristopher and .
The winner was "", written by Alfonso de la Espirella, and performed by Claudia Osuna. The festival ended with a reprise of the winning entry.
+ Result of the final of the National OTI Festival – Colombia 1973 Song Artist Result "" José y Darío "" Claudia Osuna 1 Amparito
At the OTI Festival On 10 November 1973, the OTI Festival was held at the in Belo Horizonte, Brazil, hosted by TV Itacolomi on behalf of Rede Tupi, and broadcast live throughout Ibero-America. Claudia Osuna performed "" in position 6, with Jimmy Salcedo conducting the event's orchestra, and placing ninth out of 14 competing entries, in a tie in 3 votes with the songs from Argentina and Venezuela.
The festival was broadcast live by the on Inravisión's .
Voting Each participating broadcaster, or group of broadcasters that jointly participated representing a country, assembled a five-member jury, which each member voting for its favourite song.
+ Votes awarded to Colombia Score Country 3 votes Bolivia
+ Votes awarded by Colombia Score Country 4 votes Chile 1 vote Argentina
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