Back in 2018, Dave Grohl (Foo Fighters) performed his 23-minute solo track “Play” during Warren Haynes‘ 30th annual “Christmas Jam.” Now, official footage of that has been shared online. The performance, which saw Grohl joined by Greg Kurstin, Chris Chaney, Drew Hester, Alain Johannes, Barrett Jones, Jason Falkner, and Abby The Spoon Lady, will be…