Franz Xaver Wolfgang Mozart, the youngest son of Wolfgang Amadeus Mozart, was entrusted with great expectations by his mother, Constanze. The talented boy received excellent music lessons from Antonio Salieri, who predicted a brilliant future for him. He began composing at a young age and mastered both the piano and violin. At just 13 years old, he made his debut in 1805 at the Theater an der Wien.
After his Viennese debut, the young Mozart moved to Lemberg (now Lviv), where, for financial reasons, he gave music lessons to the daughters of the Polish Count Baworowski. Although well-paid, he felt lonely in Pidkamin and in 1809 accepted a position with Count von Janiszewski to teach his daughters in Burshtyn. In addition to teaching, he gave local concerts, performing his own works and those of his father.
Unlike his father, Franz Xaver was introverted and prone to self-criticism. He constantly underestimated his own talent and feared that his works would always be compared to those of his famous father. Despite moderate success as a teacher and pianist, he remained in his father's shadow throughout his life. His musical style was characterized by early Romanticism, strongly influenced by his father's mature style.