WATCH: The Roots Play Iko Iko With Sia, Natalie Portman, and Jimmy Fallon

And everybody's dressed like Sia.

We’re long past the old discussions about whether The Roots are slumming it by appearing on TV every night with Jimmy Fallon. What’s clear now is this: They add an indispensable dimension to his show that benefits him, and he provides a showcase for their talent and creativity that’s been a boon to Philly’s favorite sons.

It’s with that in mind that we present … this:

As Vulture says, it’s mesmerizing, impressive, and weirdly wonderful. Enjoy!