Pearl Jam guitarist Mike McCready hosted his first-ever Peak To Sky Music Festival in Montana over the weekend, and the lineup included an all-star jam for the ages.

McCready was joined onstage by Chad Smith and Josh Klinghoffer of Red Hot Chili Peppers, Foo Fighters drummer Taylor Hawkins, GN’R bassist Duff McKagan, and singer Brandi Carlile for an unforgettable cover-song set.

The makeshift band covered artists like Led Zeppelin, Aerosmith, David Bowie, Prince, and more.  Lucky for us, plenty of videos from the show can be found online.

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