Aftershock--the West Coast’s Biggest Rock Festival--returns to Discovery Park in Sacramento, CA on October 6-9, 2022 bigger than ever, expanding to four full days (after a half 4th day in 2021), adding a 4th music stage and featuring over 90 bands. The latest edition aims to top 2021’s record-setting, sold-out attendance of 145,000, which marked five consecutive sold out events for Aftershock. The weekend’s stellar lineup of rock and metal heavyweights features headliners Sli