Octavio Brunetti was PASO's tango pianist from 2006 until his untimely death. His addition brought a new level of musicianship to the orchestra. Perhaps the best tango pianist in the United States, Brunetti studied classical piano at the National School of Music in his home town of Rosario, Argentina. After being in the U.S. a short time, he won New York’s International Tango Competition twice: for Best Solo Pianist and Best Duo. Brunetti was composing his own tangos for a recording with PASO when he passed away in August 2014 from a sudden illness. He will always be admired and loved by PASO's conductor, musicians, and fans.

Diana LeGrand, from Assisi, Italy, started her music studies at age two and a half, learning from her mother, a violin and piano teacher. At age 15, she studied under the late Elaine Richey, formery the first violinist f the Razamousky Quartet at the North Carolina School of the Arts, where she eventually earned her bachelor and masters degrees in violin performance. She also studied at the Conservatory of Modena, Italy. Over the years she has studied with Vadim Brodsky, Paola Besutti from Florence, Italy and the late Emmanuel Hurwitz, first violinist of the Aeolian String Quartet.

Croatian cellist, Dorotea Racz, was awarded a merit scholarship at the age of 16 to study with Amit Peled at the Peabody Institute of the Johns Hopkins University, where she completed her Bachelor's and Master's degrees in music. She recently earned her doctorate in cello performance from the Catholic University of America. She has performed extensively throughout Europe, Asia, as well as North and South America, in venues such as Carnegie Hall, the Kennedy Center, and Mozarteum in Salzburg. An ardent chamber musician, Racz is a founding member of Racz-Samogray Duo and Ensemble Accendo.

From Mendoza, Argentina, Zanetti has achieved international acclaim for his virtuosity on the bandoneon, the quintessential instrument in tango ensembles. He is bandoneon player in Pedro Giraudo's Quartet, which won a 2018 Latin Grammy award for best tango recording. Zanetti has performed at Carnegie Hall, Lincoln Center, New York City Opera, and with PASO in Washington, DC at the Kennedy Center for the Performing Arts, historic Lincoln Theater, the Organization of American States, and in Medellin, Colombia at the International Festival of Tango.

Pianist, arranger and composer from Argentina, Estigarribia has performed across Europe and the United States with various tango orchestras and as soloist. His 2015 recording, Tangos para Piano, won him the prestigious Gardel Prize for best tango recording by a new artist.