Pop concerts at the palace for jubilees appear de rigueur these days, those 10,000 who won tickets to watch the concert picnic this afternoon alongside Princess Eugenie and Beatrice in the gardens of Buckingham Palace, while, on the other side of the world, in Australia, Tonga, and New Zealand, the first of 4,000 beacons were lit in honor of the queen's 60-year reign, 60 years in which she is rarely seen on these occasions without Prince Philip by her side. 