Multi-instrumentalist Ben Morfitt made an orchestra entirely out of copies of himself, and I smell a 'Multiplicity' sequel.
Ben Morfitt is a composer and multi-instrumentalist from Yorkshire, UK. You might recognize him from his covers of video game themes on the YouTube channel SquidPhysics. But this newest video is a little different — that's him (and him, and him, and him...) comprising every member of the orchestra above, performing an original composition for a cartoon he co-created called Pegul.
If you want to peek behind the scenes of how Morfitt created the video, check out his Instagram, where he shares work-in-progress images like this: