Post Malone

Posty says 'you can't tell' and 'he's so strong.'

See who else is heading to Hangout.

So much fire you'd think Slayer were playing.

Posty's fans went nuts.

Wow.

See the collaboration.

Don't be so quick to judge.

The unique collaboration teams up the Rock and Roll Hall of Famers with the smooth and laconic vocals of the biggest pop star at the moment.