From the article:
“Originally Lady Gaga was slated to perform at Doritos’ large vending machine, and at the last minute the city denied Doritos the permit because the venue was too small; somehow they were able to secure Stubbs (an outdoor barbeque restaurant) a couple blocks away that could hold a significantly larger amount of people,” said Roberts. “Cory Fitzgerald was tasked with designing a system that would fit the creative and fit on a rather small stage for that large an act. Creative had renderings that showed what looked like a wall of light fixtures, and we all instantly knew what would work for that – Nexus!”
Read more at http://livedesignonline.com/nexus-comes-through-sxsw!