Mario Stefano Pietrodarchi began studying the accordion at the age of nine, later taking up the bandoneon

He was born in Atessa, Italy, in 1980. From 1993 to 2001 he studied at the 'F Fenaroli' Civic Music school in Lanciano with Claudio Calista and Cesare Chiacchiaretta. In 2007, he graduated from the 'Santa Cecilia' Academy of Music in Rome with a first-class degree.

He has attended specialisation courses in Italy and abroad with Jacques Mornet, Vladimir Zubitsky, Angel Luis Castaño, Christine Rossi, Yuri Shishkin and Massimiliano Pitocco.

As well as performing in Italy, he has held concerts in the UK, France, Belgium, Croatia, Serbia, Germany, the USA, Poland, Portugal, Finland, Switzerland, Hungary, Canada, Armenia, Russia, Bosnia and Herzegovina, Belarus and China.