It all started in 1993 when the rock band Pearl Jam were looking for an alternative venue that was not controlled by Ticketmaster, which it was boycotting at the time.  The Empire Polo Club, a desert oasis in the Coachella Valley in California, hosted some 25,000 people for their gig, giving the promoters the inspiration for an outdoor festival at the same site.   In October 1999, the Coachella Valley Music and Arts Festival was born as an alternative to the unruly and chaotic Woodstock festival from a few months earlier. Global acts from Rage Against the Machine to the Chemical Brothers and Morrissey performed at the event.…