he's been classical music royalty ever since. ♪ ♪ when "60 minutes" first met daniel barenboim 20 yearsund that he was a maestro in perpetual motion. >> simon: i've been following you around for almost a week now. i'm exhausted. >> barenboim: yeah, you look tired. ( laughter ) >> simon: and anyone who spends a week with daniel barenboim will discover that he's not only a musical genius, but a 56-year- old child. ♪ ♪ >> williams: at 75, this older barenboim is a more sober character than he used to be, more political. he's still giving recitals as a concert pianist, and he has his day job as music director of the state opera in berlin. but recently, he also opened the barenboim-said academy, a conservatory built in this redesigned warehouse in downtown berlin which, just like his orchestra, the divan, brings together students from israel and across the middle east. >> sadra fayyaz: maestro talked about it in the diversity. >> williams: violist sadra fayyaz studies at the academy and plays in the divan. he's from iran, a sworn enemy of israel. as a kid, he grew up buying black market vide