[dropcap]N[/dropcap]ow that the orgy of insufferable hipsterism known as Coachella is finally behind us, it’s officially music-festival season, when hundreds of concerts will take over entire cities, towns, parks, and fields across the United States. As everyone knows, events like Lollapalooza, Lockn’, and Bonnaroo follow in the grand tradition of the Woodstock Music & Art […]