Black revealed the song alongside a cute video featuring animated animals.
“The Purple Nurple Tour – Twisting Hard To The Left!” will promote voter registration and overall civic action through music.
Lana Del Rey, Oysterhead, Flume, Tenacious D, The 1975, and Primus also confirmed for Tennessee festival.
The first-ever collaborative track from Jack Black and Jack White.
Jack Gray will be released for Record Store Day Black Friday.
Tenacious D, Wilco, Charli XCX, Ride, Cat Power, and The Mountain Goats are among the eligible shows.
Jack Black and Kyle Gass visited White’s Third Man Records HQ as well as White’s own home studio to record a single.
No word yet if they called “Jack Grey”.
Music’s most famous Jacks recently crossed paths in Europe.
The comedic duo of Jack Black and Kyle Gass have added 11 new shows in October.
The all-star trio will head south this fall.
Chicago mega fest also promises Lil Wayne, Janelle Monáe, Flume, Kacey Musgraves, Meek Mill, 21 Savage, Tenacious D, Death Cab For Cutie, and Maggie Rogers.