A decades-long friendship drives an architect and a bio-medical scientist to make the weirdest music you've ever heard in your life. And thanks to the Internet, they're more popular than ever. The documentary 23rd Century Giants follows the musical careers of mild-mannered Brits Brian Poole and David Janssen, aka Renaldo & the Loaf, whose sonic experimentation with tape loops, household objects and repurposed musical instruments alike gave them a unique electronic sound that would inspire generations of adventurous music lovers for decades From childhood friendship, to landing a deal with the record company of their wildest dreams, then not speaking for 20 years only to reunite to world-wide cult status, this definitive history of the band features interviews with the avant-garde duo themselves, and virtually every key figure in their musical lives, unseen photos, unheard music and comedic cutout animations. This touching story of the power of friendship and creativity will have even reluctant listeners eager to hear what Renaldo & the Loaf come up with next.