Ho99o9 opened for Three Days Grace , Prophets of Rage , and Avenged Sevenfold on select dates of the End of the World Tour. Ho99o9 opened for Korn , Alice in Chains and Underoath on a Summer 2019 tour. On November 8, 2025, Ho99o9 opened for grandson in Philadelphia, PA.
Opened for Korn, Alice in Chains and Underoath
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