GREAT PERFORMANCES continues its tradition of showcasing the world’s preeminent orchestras with the Berlin Philharmonic opening concert for Greece’s Hellenic Festival, the five-month cultural celebration featuring music, theater, and dance in honor of the 2004 summer Olympic Games in Athens. From the spectacular Herodes Atticus amphitheater, against a backdrop of ancient Athens, conductor Sir Simon Rattle leads the Berlin in a concert featuring Johannes Brahms’ towering “Piano Concerto No. 1,” with renowned conductor and pianist Daniel Barenboim as soloist. The program examines modern-day Athens and its connection to the origin of the games, as well as its role as the birthplace of democracy.