Watch Slash and Chad Smith join Post Malone, Andrew Watt and Chris Chaney for an epic cover of Black Sabbath's War Pigs

Andrew Watt, Post Malone, Slash, Chad Smith. This eclectic group of musicians are bonded by two things: Ozzy Osbourne, and their love of jamming. Whether it's Watt and Posty's epic guitar battles or star-studded birthday jams with Rob Trujillo and Taylor Hawkins, one thing's for certain: they just can't resist the odd impromptu sesh.

Thank you for reading 5 articles this month**

Join now for unlimited access

US pricing $3.99 per month or $39.00 per year

UK pricing £2.99 per month or £29.00 per year 

Europe pricing €3.49 per month or €34.00 per year

*Read 5 free articles per month without a subscription

Join now for unlimited access

Prices from £2.99/$3.99/€3.49

Sam Roche

Sam was Staff Writer at from 2019 to 2023, and also created content for Total Guitar, Guitarist and Guitar Player. He has well over 15 years of guitar playing under his belt, as well as a degree in Music Technology (Mixing and Mastering). He's a metalhead through and through, but has a thorough appreciation for all genres of music. In his spare time, Sam creates point-of-view guitar lesson videos on YouTube under the name Sightline Guitar.