is the festival headliner mentioned above associated with any business ventures?
Yes, Rocawear, 40/40 Club, to name some.
Jay-Z
Jay-Z has also established himself as a successful entrepreneur with a business empire spanning a variety of industries from clothing lines, beverages, real estate, sport teams, and record labels. In an interview, he stated that "my brands are an extension of me. They're close to me. It's not like running GM, where there's no emotional attachment." Jay-Z and Damon Dash are the founders of the urban clothing brand Rocawear. Rocawear has clothing lines and accessories for men, women and children. The line was taken over by Jay-Z in early 2006 following a falling out with Dash. In March 2007, Jay-Z sold the rights to the Rocawear brand to Iconix Brand Group, for $204 million. He retains his stake in the company and continues to oversee the marketing, licensing and product development. He also co-owns the 40/40 Club, an upscale sports bar that started in New York City and has since expanded to Atlantic City and Chicago. 
whose album is 'be here now'? English rock band Oasis who are the band members? Liam Gallagher, Paul Arthurs, Paul McGuigan, Tony McCarroll, and Noel Gallagher. what are the hobbies of the first one? Football, films, jogging to name a few. did the fourth band member ever sue the band? Yes why? He was owed his part of the band's five-album deal with Creation which musical equipment does the last band member play? Guitars, effect pedals and amplifiers. how is he connected to jay-z? Criticized the organizers of Glastonbury Festival for scheduling Jay-Z as a headliner for the traditionally rock-focused festival. which charitable causes does the headliner support? Founded The Shawn Carter Foundation and pledged $1 million to the American Red Cross's relief effort, to name a few. where did this festival mentioned above take place? Pilton, Somerset, in England. which rivers flow through this area? Axe, Brue, Cary, Parrett, Sheppey, Tone and Yeo.
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Jay-Z [SEP] Business career
Jay-Z appeared in a 2003 Reebok collection advertising his S. Carter Collection. Jay-Z has also established himself as a successful entrepreneur with a business empire spanning a variety of industries from clothing lines, beverages, real estate, sport teams, and record labels. In an interview, he stated that "my brands are an extension of me. They're close to me. It's not like running GM, where there's no emotional attachment." Jay-Z and Damon Dash are the founders of the urban clothing brand Rocawear. Rocawear has clothing lines and accessories for men, women and children. The line was taken over by Jay-Z in early 2006 following a falling out with Dash.