On April 2012 Congreso made a double concert at the Cultural Center Matucana 100, made from an online vote of 20–23 selecting songs rated out of 70 possibles.
The concert was recorded and filmed for DVD fulfillment.
Finally the release of the DVD entitled Congreso a la carta was held on September in a concert at the Teatro Oriente meaning the most important audiovisual work of the band.

In January 2014, the project "Congreso Sinfónico" (Symphonic Congreso), finally goes on sale on CD after four years of live performances celebrating the 40 years of the group, performed together with the symphony orchestra of the Teatro Municipal de Santiago directed by Eduardo Browne, as also with the orchestra of the University of Concepción in the homonymous city, as many other orchestras around the country.
These concerts consisted of orchestral arrangements from the classical repertoire of Congreso.

On July 26, 2013 they re-release the album Pichanga: Antipoemas by Nicanor Parra to 21 years of its original edition with a concert in Matucana 100.
In the same line, in April 2014 the group performed the album Pájaros de Arcilla, celebrating 30 years of its launch in Argentina.
The album was never presented in Chile despite being considered one of the masterpieces of the band given the quality and execution of the compositions.

In March 2015, they released the single El fin del show at the Lollapalooza Chile concert, included in the compilation album Legado de trovadores, and as a preview of their next studio album.

Continuing with the reinterpretations, the group presented the album Terra Incógnita (1975) in July 2016, due to its re-release in vinyl record format.
They also announce the release of their new studio album, entitled La canción que te debía, for the next few months.

On January 5, 2017, they perform at the Rockodromo 2017 for the first time playing together in stage with Los Jaivas, at Plaza Sotomayor in Valparaíso, also celebrating the 100th anniversary of Violeta Parra, in more than 3 hours of music that featured the presence of 15,000 attendees.

On November 25, 2017, the new album entitled La canción que te debía (The song that owed you), was finally released in a double concert at the Teatro Oriente in Santiago.
They also premiered the video clip of the song Premio de consuelo for YouTube, which adds to the theme Fin del show premiered some time ago.
The presentation included the participation of lyric singer Pamela Flores, and Simón González on guitar, son of Tilo.
It features the intense song entitled A las yeguas del apocalipsis (To the mares of the apocalypse) in tribute to Pedro Lemebel.
At the same time, the book Los Elementos: voces y asedios al grupo Congreso of Rodrigo Pincheira, was launched, becoming the first literary work entirely dedicated to the band.
On April 2012 Congreso made a double concert at the Cultural Center Matucana 100, made from an online vote of 20–23 selecting songs rated out of 70 possibles. The concert was recorded and filmed for DVD fulfillment. Finally the release of the DVD entitled Congreso a la carta was held on September in a concert at the Teatro Oriente meaning the most important audiovisual work of the band.
In January 2014, the project "Congreso Sinfónico" (Symphonic Congreso), finally goes on sale on CD after four years of live performances celebrating the 40 years of the group, performed together with the symphony orchestra of the Teatro Municipal de Santiago directed by Eduardo Browne, as also with the orchestra of the University of Concepción in the homonymous city, as many other orchestras around the country. These concerts consisted of orchestral arrangements from the classical repertoire of Congreso.
On July 26, 2013 they re-release the album Pichanga: Antipoemas by Nicanor Parra to 21 years of its original edition with a concert in Matucana 100. In the same line, in April 2014 the group performed the album Pájaros de Arcilla, celebrating 30 years of its launch in Argentina. The album was never presented in Chile despite being considered one of the masterpieces of the band given the quality and execution of the compositions.
In March 2015, they released the single El fin del show at the Lollapalooza Chile concert, included in the compilation album Legado de trovadores, and as a preview of their next studio album.
Continuing with the reinterpretations, the group presented the album Terra Incógnita (1975) in July 2016, due to its re-release in vinyl record format. They also announce the release of their new studio album, entitled La canción que te debía, for the next few months.
On January 5, 2017, they perform at the Rockodromo 2017 for the first time playing together in stage with Los Jaivas, at Plaza Sotomayor in Valparaíso, also celebrating the 100th anniversary of Violeta Parra, in more than 3 hours of music that featured the presence of 15,000 attendees.
On November 25, 2017, the new album entitled La canción que te debía (The song that owed you), was finally released in a double concert at the Teatro Oriente in Santiago. They also premiered the video clip of the song Premio de consuelo for YouTube, which adds to the theme Fin del show premiered some time ago. The presentation included the participation of lyric singer Pamela Flores, and Simón González on guitar, son of Tilo. It features the intense song entitled A las yeguas del apocalipsis (To the mares of the apocalypse) in tribute to Pedro Lemebel. At the same time, the book Los Elementos: voces y asedios al grupo Congreso of Rodrigo Pincheira, was launched, becoming the first literary work entirely dedicated to the band.
Congreso