https://www.allbaymusic.com/2015/08/26/hiero-day-line-up-and-ticket-sales/
Hiero Day Line Up and Ticket Sales - All Bay Music
Jan 11, 2019 - The line up was just released for the 4th annual Hiero Day
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https://www.theuctheatre.org/shows/past-show-473
7th Annual Hiero Day Music Festival + Block Party in Oakland, CA
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