This is intended to be a list of public domain

Public domain

Works are in the public domain if the intellectual property rights have expired, if the intellectual property rights are forfeited, or if they are not covered by intellectual property rights at all...

 tangos. Because many authors of tango music have died more than 70 years ago the copyright has expired in many countries. Authorship works registered with SADAIC

Sociedad Argentina de Autores y Compositores de Música

Sociedad Argentina de Autores y Compositores de Música is the entity that gathers all musicians and authors of Argentina, and the Argentine performance rights organisation that keeps registry of musical works, and collects and distributes royalties on behalf of the artists.Founded on June 9,...

 can be looked up at (http://www.sadaic.org.ar).

According to Argentine law 11723 http://www.sadaic.org.ar/downloads/Legislacion%20Autoral/Ley11723.pdf text and music can be considered as separate works.

Title	Composer	Poet	reg.authority	Genre
A Mitre	Carlos Gardel Carlos Gardel Carlos Gardel was a singer, songwriter and actor, and is perhaps the most prominent figure in the history of tango. He was born in Toulouse, France, although he never acknowledged his birthplace publicly, and there are still claims of his birth in Uruguay. He lived in Argentina from the age of two...	Carlos Gardel	not found in SADAIC
Alma porteña	Vicente Greco	Ernesto Temes
Ámame mucho	Ángel Villoldo Ángel Villoldo Ángel Gregorio Villoldo Arroyo was an Argentine musician and one of the pioneers of tango. He was born south of the city of Buenos Aires. 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...	Ángel Villoldo		zamba
Amargura	Carlos Gardel	Alfredo Le Pera Alfredo Le Pera Alfredo Le Pera was an Argentinian journalist, dramatist, and lyricist, best known for his brief but fruitful collaboration with the tango singer Carlos Gardel...		tango
Ansias de amor	Guillermo Desiderio Barbieri	Guillermo Desiderio Barbieri
Apure, delantero buey	Carlos Gardel	Alfredo Le Pera		canción
Aquel muchacho triste	José Pedro De Grandis	José Pedro De Grandis	not found in SADAIC	tango
Argentina	Vicente Greco	Vicente Greco	not found in SADAIC
Arrabal amargo	Carlos Gardel	Alfredo Le Pera		tango
Calandria	Ángel Villoldo Ángel Villoldo Ángel Gregorio Villoldo Arroyo was an Argentine musician and one of the pioneers of tango. He was born south of the city of Buenos Aires. 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...	Ángel Villoldo	not found in SADAIC	tango
Caminito soleado	Carlos Gardel	Alfredo Le Pera		canción criollo
Canción de 1870	Manuel Acuña Manuel Acuña Manuel Acuña Narro was a 19th-century Mexican writer. He focused on poetry, but also wrote some novels and plays. Even though he was famous at an early time of his life, he decided to commit suicide...	Manuel Acuña
Cantando cantando	Benjamín Alfonso Tagle Lara	Benjamín Alfonso Tagle Lara	not found in SADAIC
Cantar eterno	Ángel Villoldo	Ángel Villoldo	not found in SADAIC	canción / tango
Cheating muchachita	Carlos Gardel	Alfredo Le Pera	not found in SADAIC
Corazón de indio	Augusto Gentile	Juan Andrés Caruso	not found in SADAIC	tango
Criollita, decí que sí	Carlos Gardel	Alfredo Le Pera		canción
Cuerpo de alambre	Ángel Villoldo	Ángel Villoldo	not found in SADAIC	tango
Cuesta abajo	Carlos Gardel	Alfredo Le Pera		tango
Cuidado con los cincuenta = Cuidado con los 50	Ángel Villoldo	Ángel Villoldo		tango
Cuyanita	Carlos Gardel	Carlos Gardel
Deje que la acompañe	Augusto Gentile	Augusto Gentile	not found in SADAIC
Desdichas	Augusto Gentile	Pascual Contursi Pascual Contursi Pascual Contursi was an Argentine poet, singer, and guitarist. He composed lyrics for 33 tango compositions - many well-known.-Life and work:...	not found in SADAIC	tango
Dos cartas	Carlos Gardel	Carlos Gardel	not found in SADAIC
Fierro chifle	Carlos Gardel	Carlos Gardel	not found in SADAIC
Flor de fango	Augusto Gentile	Pascual Contursi	not found in SADAIC	tango
Golondrinas	Carlos Gardel	Alfredo Le Pera		tango
Guitarra, guitarra mía	Carlos Gardel	Alfredo Le Pera		estilo?cancion
Idilio campero	Guillermo Desiderio Barbieri	Guillermo Desiderio Barbieri
La bicicleta	Ángel Villoldo	Ángel Villoldo		tango
La criolla	Carlos Gardel	Alfredo Le Pera		canción
La madrugada	Saúl Salinas	Saúl Salinas
La mañanita	Carlos Gardel	Carlos Gardel
La milonguera	Vicente Greco	Vicente Greco
La pastora	Saúl Salinas	Saúl Salinas
La percanca esta triste	Vicente Greco	Vicente Greco		tango
La promesa	Ángel Villoldo	Ángel Villoldo		vidalita
La rosa encarnada	Saúl Salinas	Saúl Salinas
La vida en un trago	Carlos Gardel	Alfredo Le Pera
Lejana tierra mía	Carlos Gardel	Alfredo Le Pera		canción
Llegué a ladrón por amarte	Juan Félix Maglio (Pacho) [J.Oglima]	Juan Félix Maglio (Pacho) [J.Oglima]		tango
Loca	Manuel Jovés	Antonio Viergol		tango
Los Panchos en Buenos Aires	Carlos Gardel	Alfredo Le Pera
Mar bravio - lobo de mar	Guillermo Desiderio Barbieri	Guillermo Desiderio Barbieri		tango
Mi Buenos Aires querido Mi Buenos Aires querido (song) Mi Buenos Aires querido is a tango by Carlos Gardel and Alfredo Le Pera, released in 1934. It is the soundtrack of its eponymous movie by Julio Irigoyen ....	Carlos Gardel	Alfredo Le Pera		tango
Mi estrella	Saúl Salinas	Saúl Salinas
Mi guitarra	Vicente Greco	Juan Andrés Caruso
¡Mi mamá lo va a saber!	Juan Félix Maglio (Pacho) [J.Oglima]	Juan Andrés Caruso
Mi noche triste Mi noche triste "Mi noche triste" was the first tango the singer Carlos Gardel recorded. Lyrics were written by Pascual Contursi and the music by Samuel Castriota. In 1951 it was the basis of a film; Mi noche triste.-History:...	Samuel Castriota Samuel Castriota Samuel Castriota was a pianist, guitarist and composer.He is the composer of the tango Mi noche triste.-External links:**...	Pascual Contursi		tango
Mirala como se va	Saúl Salinas	Saúl Salinas		tonada
Nido de amor	Samuel Castriota	Juan Andrés Caruso
Nogoyá	Juan Félix Maglio (Pacho) [J.Oglima]	Juan Félix Maglio (Pacho) [J.Oglima]
Ojos negros Ojos Negros Ojos Negros is a municipality located in the province of Teruel, Aragon, Spain. According to the 2004 census , the municipality has a population of 531 inhabitants....	Vicente Greco	Vicente Greco
Olvido	Carlos Gardel	Alfredo Le Pera		estilo
Pamperito	Ángel Villoldo	Ángel Villoldo		tango
Pancho comprate un rancho!	Benjamín Alfonso Tagle Lara	Benjamín Alfonso Tagle Lara
Pata de palo	Benjamín Alfonso Tagle Lara	Benjamín Alfonso Tagle Lara
Por tu boca roja	Carlos Gardel	Alfredo Le Pera		tango
Por una cabeza Por una Cabeza "Por una cabeza", meaning "by a head [of a horse]" in Spanish, is one of the most famous and popular tango songs by Carlos Gardel and Alfredo Le Pera , written in 1935. Alfredo Le Pera was a Brazilian from São Paulo, the fourth most Italian-influenced area in Brazil, and also the birthplace of...	Carlos Gardel	Alfredo Le Pera		tango
Puente Alsina	Benjamín Alfonso Tagle Lara	Benjamín Alfonso Tagle Lara		tango
Qué querés con esa cara! / La guitarrita	Eduardo Arolas	Pascual Contursi		tango
Quejas del alma	Guillermo Desiderio Barbieri	Guillermo Desiderio Barbieri
Quién tuviera dieciocho años / 18 años	Guillermo Desiderio Barbieri	Guillermo Desiderio Barbieri		tango
Quiéreme	Carlos Gardel	Alfredo Le Pera		canción
Recuerdo malevo	Carlos Gardel	Alfredo Le Pera		tango
Rosa de fuego	Manuel Jovés	Antonio Viergol
Rubias de New York	Carlos Gardel	Alfredo Le Pera		foxtrot
Soledad	Carlos Gardel	Alfredo Le Pera		tango
Soy tremendo	Ángel Villoldo	Ángel Villoldo		tango
Suerte negra	Carlos Gardel	Alfredo Le Pera		vals
Sus ojos se cerraron	Carlos Gardel	Alfredo Le Pera		tango
Tan grande y tan sonzo	Alfredo Le Pera	Carlos Gardel		tango
Tu vieja ventana	Guillermo Desiderio Barbieri	Guillermo Desiderio Barbieri		vals
Tus violetas	Guillermo Desiderio Barbieri	Guillermo Desiderio Barbieri
Una más	Manuel Jovés	Antonio Viergol		tango cuplé
Una rosa para mi rosa	Saúl Salinas	Saúl Salinas		canción
Viejos tiempos	Carlos Gardel	Alfredo Le Pera		tango milonga
Volver	Carlos Gardel	Alfredo Le Pera		tango
Volvió una noche	Carlos Gardel	Alfredo Le Pera		tango
Zaraza	Benjamín Alfonso Tagle Lara	Benjamín Alfonso Tagle Lara		tango