By Music News Key details have emerged about Paul McCartney's upcoming six-part docuseries on Hulu, according to Best Classic Bands. Rick Rubin, premieres on July 16th on Hulu and finds the former- Beatle and Rubin discussing all aspects of his 60-year-career. McCartney and Rubin serve as two of the project's executive producers, with the series being directed by Zachary Heinzerling. McCartney 3, 2, 1 are: Episode 1: “These Things Bring You Together”: McCartney shares stories from the early days, shedding new light on his relationships with John Lennon and George Harrison. Welcoming an outside musician into the studio impacts one of The Beatles’ most famous songs.