They also broke out a cover of Pink Floyd's 'Comfortably Numb' when closing out this year's festival
The gig came as part of Hagar's week-long celebrations for his 78th birthday
The Oscar-winning star of 'Annie Hall' and 'The Godfather' died on Saturday (October 11) aged 79
The group have teased "a special year" ahead, which will also see them release a new album
Green Day are set to headline the Californian festival later today
The song was written by Diane Warren for upcoming sports comedy film '80 for Brady'
Belinda Carlisle said she was "so flattered" by the 'Blue Rev' song, a homage to her work
The collab will appear in the upcoming film '80 For Brady'
Carlisle's 'The Decades Tour' is in celebration of her 35 year solo career
BC