The Game of Thrones theme song performed entirely with dildos

I've never actually read or watched anything relating to Game of Thrones myself, but I can still appreciate a good cover song when I hear it. And I'm pretty sure this is the first time I've ever heard any song performed entirely using dildos as musical instruments. So color me impressed!

Here's the Instagram embed for the source:

And a direct video, for those of you who can't watch Instagram embeds for whatever reason: