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Song

Uno

Uno is a 1943 tango with music by Mariano Mores and lyrics by Enrique Santos Discépolo, premiered by Tania at the Teatro Astral in Buenos Aires. It is regarded as one of the fundamental tangos of the genre for its lyrical depth on love, disillusionment, and existential weariness.

Uno stands as one of the most enduring collaborations between pianist-composer Mariano Mores and lyricist Enrique Santos Discépolo. The music originated around 1940 when the young Mores presented Discépolo with a romanza titled Cigarrillos en la oscuridad, requesting lyrics.[1][2] Discépolo, already an established author of social and dramatic tangos, accepted the score without commitment. According to Mores’s later recollection, months passed with repeated inquiries met by the assurance that the lyrics were in progress, until nearly three years later the finished text appeared unexpectedly.[1][3] The original title chosen by Discépolo was Si yo tuviera un corazón, drawn from the opening of the second section of the lyric.[1][2]

The piece premiered in April 1943 at the Teatro Astral in Buenos Aires as part of the revue La revista loca, performed by Tania, Discépolo’s longtime partner.[1][2][4] Audience response was immediate; patrons began calling for the number by the single word “Uno,” drawn from the opening line of the first section, and the title was formally changed with Discépolo’s agreement.[1][2] Within weeks the tango entered commercial recording. Francisco Canaro’s orchestra with Carlos Roldán registered a version on 26 May 1943; Aníbal Troilo’s orchestra with Alberto Marino followed on 30 June 1943; further early discs appeared by Juan D’Arienzo with Héctor Mauré and by Osvaldo Fresedo with Oscar Serpa.[5][6] Libertad Lamarque recorded it with Mario Maurano’s orchestra on 28 May 1943 and later featured it in the 1944 film El fin de la noche, a production that was briefly withdrawn under the military government of 1943 before returning to screens.[1][6]

Musically, Mores’s melody softens the darker register of Discépolo’s earlier social critiques such as Cambalache and Yira, yira, introducing a more elegiac and melodic contour that allowed the lyricist to explore personal desolation rather than collective indictment.[1][7] The text traces a speaker who has exhausted the capacity for renewed love after repeated betrayal, moving from the opening image of a man still searching “lleno de esperanzas” through a recognition that “uno se ha quedao sin corazón.”[8] Discépolo himself later linked the writing to a period of personal crisis in early 1943, describing an inexplicable melancholy that prompted him to withdraw and reflect on the difficulty of loving without foresight of injury.[4] The collaboration continued; the pair produced Cafetín de Buenos Aires in 1948, Discépolo’s final tango.[1][7]

In subsequent decades Uno became a standard of the repertoire. It was recorded by major orchestras of the 1940s and 1950s and later crossed into international popular music, appearing on albums by Julio Iglesias and, most prominently, on Luis Miguel’s 1997 collection Romances, arranged by Bebu Silvetti under the direction of Armando Manzanero.[9] Within Argentine tango it is routinely grouped with Confesión, Cambalache, Yira, yira, Canción desesperada and Cafetín de Buenos Aires as one of Discépolo’s fundamental contributions.[1][7] Its continued presence in both dance and concert settings reflects the balance Mores’s music achieved between danceable structure and the reflective weight of the lyric.

The creation process itself illustrates a characteristic tension in mid-century tango authorship: Mores composed first and waited; Discépolo shaped language over years of intermittent attention until a personal circumstance unlocked the final text. The resulting work remains one of the clearest statements of emotional exhaustion in the tango canon, its popularity undiminished by changes in performance practice or political climate.[1][2][4]

Composition and premiere

Mores delivered the music of Cigarrillos en la oscuridad to Discépolo around 1940. The lyricist required nearly three years to complete the text, which he first titled Si yo tuviera un corazón.[1][2] Tania introduced the finished tango in April 1943 at the Teatro Astral during the revue La revista loca; public demand quickly established the title Uno.[1][4]

Early recordings and diffusion

Commercial recordings followed within weeks of the premiere. Canaro and Roldán cut a version on 26 May 1943; Troilo and Marino recorded on 30 June 1943.[5][6] Lamarque’s May 1943 disc and her appearance in the 1944 film El fin de la noche further circulated the work.[1][6]

Style and place in Discépolo’s output

Mores’s melodic line tempered the ironic social commentary of Discépolo’s 1930s tangos, permitting a more intimate examination of personal loss. The collaboration continued with Cafetín de Buenos Aires in 1948.[1][7]

Later reception

Uno entered the standard repertoire of major orchestras and later reached broader Spanish-language audiences through recordings by Julio Iglesias and Luis Miguel.[9]

References

How Tangopedia works

  1. 1.Uno (tango) · es.wikipedia.org“Uno es un tango de 1943 con letra de Enrique Santos Discépolo y música de Mariano Mores”
  2. 2.La historia detrás de la canción: Uno · enlacecritico.com“Mores le entregó a Enrique Santos Discépolo la partitura de la música de un tango romanza llamado Cigarrillos en la oscuridad”
  3. 3.Biografía de Mariano Mores · todotango.com“Para entregarme la letra de Uno, estuvo tres años”
  4. 4.Uno: el melancólico tango · infobae.com“Lo estrenó Tania en abril de 1943 en el teatro Astral”
  5. 5.UNO - tango.info · tango.info“Francisco Canaro Carlos Roldán 1943-05-26”
  6. 6.Uno. Tango (1943) · todotango.com“Canta Libertad Lamarque / Orquesta Mario Maurano 28-5-1943”
  7. 7.Biografía de Enrique Santos Discépolo · todotango.com“un tanto nostálgico y elegíaco en Uno y Cafetín de Buenos Aires”
  8. 8.Uno. Tango (1943) · todotango.com“Uno busca lleno de esperanzas el camino que los sueños prometieron a sus ansias”
  9. 9.Uno (Enrique Santos Discépolo and Mariano Mores song) · en.wikipedia.org“Sung by Luis Miguel for his 1997 album Romances”

Credit

Music
Mariano Mores
Lyrics
Enrique Santos Discepolo

Source: TangoCloud catalogue

Every recording

19 recordings · our catalogue, dances filmed on TangoTube · 47 more we know of

  1. Mercedes SimoneNot in our cataloguetango.info1932
  2. Francisco CanaroEarliest we holdCarlos Roldán · Odeon · May 26
    5 dances
    1943
  3. Aníbal TroiloMost dancedAlberto Marino · RCA Victor · Jun 30
    54 dances
    1943
  4. Juan D'ArienzoHéctor Mauré · rca victor · Nov 23
    21 dances
    1943
  5. Osvaldo FresedoOscar Serpa · RCA Victor · Dec 1
    5 dances
    1943
  6. Libertad LamarqueNot in our catalogueMay 28 · tango.info1943
  7. -unspecified orchestra-Not in our catalogueTania · Oct 27 · tango.info1943
  8. Rodolfo BiagiCarlos Acuña · Odeon · Apr 11
    Not danced on film yet
    1944
  9. Mariano MoresInstrumental · Sep 21
    Not danced on film yet
    1951
  10. -unspecified orchestra-Not in our catalogueCharlo · Dec 18 · tango.info1951
  11. Aníbal TroiloJorge Casal · TK
    Not danced on film yet
    1952
  12. Mariano MoresCarlos Acuña · Mar 22
    Not danced on film yet
    1957
  13. Armando PontierJulio Sosa · CBS Columbia · Sep 25
    18 dances
    1957
  14. Susy LeivaNot in our cataloguetango.info1960
  15. José BassoInstrumental · Odeon · May 18
    Not danced on film yet
    1961
  16. Libertad LamarqueNot in our cataloguetango.info1963
  17. Jorge DragoneNot in our catalogueArgentino Ledesma · tango.info1963
  18. Miguel CalóLucho Gatica · Odeon Colombia
    Not danced on film yet
    1965
  19. Miguel CalóLucho Gatica · Odeon Chile
    Not danced on film yet
    1965
  20. Emilio BrameriNot in our catalogueMercedes Simone · tango.info1966

Danced to it

Music from 1943–2009 · danced on film 2000–2026

20002026
By the year it was danced; each dance counts once, however many channels filmed it

2000: 1, 2009: 1, 2010: 3, 2011: 3, 2012: 4, 2013: 3, 2014: 5, 2015: 7, 2016: 1, 2017: 5, 2018: 6, 2019: 14, 2020: 3, 2021: 3, 2022: 9, 2023: 13, 2024: 14, 2025: 13, 2026: 2

Where it is danced

The places our videos show it danced, by performances filmed there.

  1. El Yeite Tango ClubVilla Crespo
    1 performance

What we don't know yet3 of 4 known

The year it was written.

Data: recordings, facts and sources

Recordings by year

Source: TangoCloud catalogue

19432009

1943: 4, 1944: 1, 1951: 1, 1952: 1, 1957: 2, 1961: 1, 1965: 2, 1968: 1, 1972: 1, 1976: 1, 1977: 1, 1980: 1, 1986: 1, 2009: 1

In other catalogues3

tango.info · T0370199328

Single source

TodoTango · tema/165

Single source

MusicBrainz · 3e431533-1cbc-468d-a33c-c05a92d2967esource

Single source

Composer1

Composed by Mariano Mores

Single source

Lyricist1

Lyrics by Enrique Santos Discepolo

Single source

Premiered at1

Premiered at Teatro AstralApr 1943

Single source

Listen

  1. UnoFrancisco Canaro · Carlos Roldán1943
  2. UnoAníbal Troilo · Alberto Marino1943
  3. UnoJuan D'Arienzo · Héctor Mauré1943
  4. UnoOsvaldo Fresedo · Oscar Serpa1943
  5. UnoRodolfo Biagi · Carlos Acuña1944
  6. UnoMariano Mores · no clip yet1951
  7. UnoAníbal Troilo · Jorge Casal1952
  8. UnoMariano Mores · Carlos Acuña · no clip yet1957
  9. UnoArmando Pontier · Julio Sosa1957
  10. UnoJosé Basso · no clip yet1961
  11. UnoMiguel Caló · Lucho Gatica · no clip yet1965
  12. UnoMiguel Caló · Lucho Gatica · no clip yet1965

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Answers only from cited facts, each with its source.