As any die-hard Guitar Hero fan will tell you, Stratosphere - a guitar track from Finnish symphonic metal band Stratovarius - is one of the hardest things to play... ever. Even on a fake plastic guitar in front of your TV set.
So it's truly gob-smacking that an eight year old is able to even practise it. But it's true, Zoe Thomson can do just that - and we've even got the video footage to prove it.
Complete with backing track blaring out behind her, her fingers of fury dart up and down the fretboard like she was born to do it. We are in awe. Of an eight year old.
You may well have seen Zoe before as the guitarist for the internet's favourite youngster-filled rock group, The Mini Band, who got a lot of attention last year for their cover of Metallica's Enter The Sandman.
To remind you of their performance, we've got it here for you below, and if you want to find out more about her and her bandmates, check out their Facebook group here.