The all-star lineup played Pantera and Damageplan songs during a previous performance.
Vinnie Paul’s band Hellyeah were scheduled to play both fall festivals.
Two heart-related conditions felled the legendary metal musician.
Former Pantera frontman sings “Slaughtered” in honor of the late drummer.
The brother of Dimebag Darrell also played in Damageplan and Hellyeah.