We've become used to seeing Dave Grohl popping up via Zoom calls and Facetime on various talk shows over the past year.
Now that things are getting back to normal - at least in the US - his most recent appearance was in-studio on The Tonight Show with Jimmy Fallon.
Grohl took part in a 'Off Songs, Song Off' game with Fallon, where he basically had to guess the names of popular songs that were played by the show's in-house band The Roots - albeit with a unique twist.
As you might expect, with Grohl involved there's more than a little good humour in the mix - especially when he doesn't initially recognise a song by his own (former) band.
Some of these are hard, though...
And in case you were wondering, THIS is what 'Back That Azz Up' by Juvenile sounds like:
