Sold out tickets: what's behind the new fever for live music. Tickets sell out even more than a year in advance, large venues are no longer the monopoly of international megastars.

Even veteran groups are experiencing a second golden age thanks to live performances. For decades, playing in large sports venues in Spain was the exclusive privilege of a few titans of international music. The phenomenon is even more striking because it occurs when interest in music seems to have declined, at least in terms of record sales.