The School Orchestra Extravaganzas of the Berliner Philharmoniker's education programme are always a big event, and this year's meeting in February was no different. Six Berlin school orchestras had rehearsed excerpts from Grieg's Peer Gynt suites for the big day under the guidance of members of the Berliner Philharmoniker, and the conductor of the public performance in the Philharmonie was none other than Sir Simon Rattle.