[clarification needed] His interest in music led him to learn from Abolhassan Saba, who generously taught him the violin without charging any fees.

Oistrakh's feedback was as follows: "Congratulations for your eagerness, talent and perseverance which has been put into your extraordinary made violin, I've seen such a perfect instrument that has the qualities together.

This collaboration allowed Ganbari to increase his production of violins, with some specifically intended for art schools while the rest were sold to passionate enthusiasts.

Although some people speculated that the violin was crafted by Stradivari, the violist consistently clarified that it was made by an Iranian master named Ganbari.

Following the 1979 Iranian revolution, Ganbari retired and devoted his time to his small home workshop, primarily focused on refining the instrument's sound, thus continuously striving for optimization.