Which music artist's product endorsement deal was the first to include partial ownership of the company rather than just a traditional payment structure?

The relationship between musicians and brands has evolved dramatically over the decades, creating some of the most memorable marketing moments in history. From signature instruments to lifestyle products, artist endorsements have shaped consumer preferences and created lasting cultural impacts. This poll tests your knowledge of a groundbreaking product endorsement that changed how musicians partner with brands.

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Dr. Dre with Beats Electronics in 2006
Jay-Z with Reebok for the S. Carter Collection in 2003
50 Cent with Vitamin Water in 2004
Rihanna with Puma in 2014