NBA Hall of Famer Grant Hill and veteran industry executive Kimberly Evans Paige boarded the forthcoming feature documentary “Romare Bearden: A Life in Collage” as executive producers. The documentary offers a definitive, cinematic portrait of one of America’s most influential visual artists, Romare Bearden, and a cut of the film will screen at Cannes’ Marché du Film on Friday. “Romare Bearden’s story is foundational to understanding the Black creative tradition,” said Hill. “For years, I’ve had the privilege of sharing our collection of Black masters with audiences across the country. Bearden was a pioneer whose art spoke to our shared history and cultural memory.…