
Nieuwe Binnenweg 19, 3014 GB Rotterdam, Netherlands
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The Official Unofficial is a free music festival returning on Friday afternoon, October 23, and Saturday afternoon, October 24. Held during the Left of the Dial weekend, the event features dozens of performances by bands from the festival lineup and beyond, hosted across various stages. Performances run from 12:00 PM to 4:00 PM each day, serving as the perfect daytime lead-in to the official Left of the Dial program.

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The event takes place on Friday afternoon, October 23, and Saturday afternoon, October 24, 2026, from 12:00 PM to 4:00 PM at Rotown and De Vegan Snackbar located at Nieuwe Binnenweg 19, 3014 GB Rotterdam.
Performances feature Painkiller, PleasureInc., Canned Pineapple, and numerous other bands from the indie and post-punk scene.
The festival is entirely free to attend. Lineup on Mood.