[3] Carles and Sofia's first public appearance as a duo was in 1987; since then, they have developed an international career performing recitals in many countries of Europe, America and Asia.

[15][16] Carles and Sofia have developed a close relationship with many contemporary composers, like John Carmichael[17] and Daniel Basomba, who after listening to the duo, created and dedicated works especially for them.

John Carmichael (Australia) Thomas McIntosh (US) Daniel Basomba Françoise Choveaux Carles and Sofia are recording artists of KNS-Classical.

[27] In 2005, in Kuala Lumpur, they presented a workshop on Music & Literature,[28] related to the acts of commemoration of the 400 anniversary of the publishing of Cervantes' Don Quixote.

[29] In 2009, in Singapore, master class at Yong Siew Toh Conservatory of Music[30] and at NAFA (Nanyang Academy of Fine Arts),[31] in October.

In 2001, in Madrid, after a series of benefit concerts, her Royal Highness Margarita de Borbón, presented to Carles and Sofia an honorary distinction [1] [2] from UNICEF, in recognition of their humanitarian efforts.