he duo, compoosed by Sandra Antonuci (guitar) and Andrea Bollof (voice), made its debut in the mid- 2010. Its members are Sandra on guitar and in charge of the arrangements and Andrea on vocals and author of many of the numbers of their songbook.

Sandra was born in the city of Buenos Aires in 1965. She began to study guitar playing at the Conservatorio Juan José Castro of La Lucila with the instructors Graciela Pomponio and Víctor Villadangos. She graduated as guitar teacher.

In 1996 she studied tango music with Antonio D'Alessandro and was specialized in the Guardia Vieja (old trend) style. She played in the Aires de Antaño trio, a group with which she appeared at: La Casa del Tango, the Café Tortoni (an annual performance along with the Quinteto Francisco Canaro).

Andrea was also born in Buenos Aires. She had her music studies at the Escuela del Sindicato Argentino de Músicos (school of the Argentine Union of Musicians) and graduated as vocal interpreter. Also she studied at the Academia Nacional del Tango. In 1992 she studied with maestro Héctor Mele.

In 1994 with the pianist Mariana Diez she formed the duo Las Milonguitas which also added the violinist Elena Buchbinder and the flutists Abril Padilla and Ángel Derman.

In 2010 she studied at the Argentino Galván Seminar of Tango Styles of the Academia with Carlos Rossi, Ramón Maschio, Roberto Siri, Alejandro Martino, Pepe Motta and María José Mentana. Also there she attended the Seminar for Lyricists with Alejandro Martino.

They appeared at La Paila and at the Academia Porteña del Lunfardo. In January 2011 they performed at the Festival Pre-Baradero branch Escobar and in February at the VII Festival Nacional de Tango in Junín.

They made live appearances in several radio programs: La Madrugada, emceed by Juan Imperial on AM 610 Radio General San Martín; Acaricia mi Ensueño, conducted by Axel Govednik on Radio América AM 1190; Con Alma y Música conducted by Enrique Snider —El Alemán— on Julio Ressia’s Radio Tango on AM 1120.