MUSTONEN IS ONE OF THE COMPOSING PIANO VIRTUOSOS OF THE YOUNG GENERATION. WHAT IS REMARKABLE IN HIS WORKS IS THAT HE DOES NOT GIVE PRIORITY TO 'HIS INSTRUMENT'. HE HAS COMPOSED PIECES FOR STRINGS, SONATAS WITH PIANO ACCOMPANIMENT, ORCHESTRAL WORKS AND EVE I OUVERTÜRE - II VIVACE - III LARGHETTO - IV FINALE