For the 2008-2009 season guest artists include Robin Young (of radio station WBUR) as narrator for the Holocaust-inspired There is wind and there are ashes in the wind by Osvaldo Golijov, Robert D. Levin on piano for the Mozart Quintet in E-flat major for piano and winds, K.452, Marcus Thompson on viola for the Brahms String quintet in F, Op. 88, and Fenwick Smith on flute for Shulamit Ran's Mirage for Five Players.
Osvaldo Golijov | Osvaldo Bayer | Osvaldo Ríos | Osvaldo Ardiles | Osvaldo Pugliese | Osvaldo Soriano | Osvaldo Fresedo | Osvaldo Civile | Osvaldo Valenti | Osvaldo Peralta | Osvaldo Nunez | Osvaldo Domínguez Dibb | Osvaldo de León | Osvaldo Cruz | Osvaldo Cavandoli | Osvaldo Cacciatore | Osvaldo Aranha | Cristian Osvaldo Álvarez |
They regularly perform the works of contemporaries like Osvaldo Golijov, Gunther Schuller, Bruce Wolosoff, and Korine Fujiwara, as well as the works of classical composers such as Wolfgang Amadeus Mozart, Ludwig van Beethoven, Felix Mendelssohn, Joseph Haydn and countless others.
His close ties with composers has led him to perform a great number of works by, amongst other, Luciano Berio, György Kurtág, Magnus Lindberg, Osvaldo Golijov, Yan Maresz, Michael Jarrell, Brian Ferneyhough, Marco Stroppa, Bruno Mantovani and Thomas Adès.
Pato has collaborated with artists as Yo-Yo Ma, Silk Road Ensemble, Arturo O'Farrill, The Chieftains, Paquito D'Rivera, The World Orchestra, Damian Woetzel, Lil Buck, Chicago Symphony Orchestra, Osvaldo Golijov and in more than twenty recordings as a guest artist.
An opera, Ainadamar, by the composer Osvaldo Golijov and playwright David Henry Hwang, based on Xirgu's life and her association with Lorca, was premiered in 2003.