The amphitheatre has played host to many music festivals, including All That! Music and More Festival, Buzzard Festival, Country Throwdown Tour, Crüe Fest, Crüe Fest 2, Curiosa Festival, EndFest, Furthur Festival, H.O.R.D.E. Festival, Honda Civic Tour, Lilith Fair, Lollapalooza, Mayhem Festival, Ozzfest, Projekt Revolution, Uproar Festival and Vans Warped Tour.
Brownstein also leads Electron (the first band to perform his rock opera, Chemical Warfare Brigade), an all star collaboration that includes Aron Magner (The Disco Biscuits) on keys, Tom Hamilton (Brothers Past, Tom Hamilton's American Babies) on guitar, and Joe Russo (The Benevento/Russo Duo, Tom Hamilton's American Babies, Furthur) on drums.