Post Malone was a part of Bud Light’s Seltzer Sessions New Year’s Eve special last week (as was Louisville's own Jack Harlow), and he got a few friends together to help him on a few songs. Slash and the Red Hot Chili Pepper's drummer Chad Smith got on stage with Post to cover Black Sabbath's "War Pigs" and Alice In Chains "Rooster"...
If you enjoyed that and want to watch the entire show, just click here.