October 5 @ 12:00 pm - October 8 @ 11:30 pm Aftershock Festival 2023 Discovery Park 1600 Garden Hwy, Sacramento The West Coast’s Biggest Rock Festival, Aftershock, grows even more in 2023 with its most packed lineup yet offering 95-plus bands over four full days, led by headliners Guns N’ Roses, Tool, Avenged Sevenfold and Korn. The