Get ready to rock the night with OSO OSO at the Hawthorne Theatre! Mammoth NW is cranking up the volume on Saturday, June 21st, 2025, at 8:00 PM. This is a 21+ event, so make sure you’ve got your ID on hand—you won’t want to miss this one. OSO OSO promises a night packed with captivating melodies and raw energy that’ll leave you buzzing long after the last chord. No refunds or exchanges, so grab your ticket and be part of the show. Need special ADA accommodations? Reach out for assistance and ensure your night is as epic as the music. Expect an unforgettable experience in the heart of Portland!