shallowbunny.com is an unofficial lineup app for Kater Blau.

Hopper is closed
Acid Bogen is closed
Kiosk is closed

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Hopper opens with Bryan Kessler, a Cologne-based poet and musician known for minimalistic percussion, vocal loops and punchy songwriting alongside house and techno selections. He's followed by Fango and Kater resident Sven Dohse into the morning. Acid Bogen runs the full weekend: Vanaenae opens with vinyl, then Hollis P. Monroe brings UK Garage and Deep House, Lea Czychy delivers 90s Chicago/Detroit House and Disco, and freedomB rounds off the night with funky house. The room then passes to 257, a collective known for high-energy daytime house — DJ Norma, Fraenz, Najeh, and Farry closing the event at 01:00 Monday. The Kiosk (listed as 'Extra' in the printed program) hosts Stecker, a Berlin collective standing for driving rhythms and inclusive floors: founders SBRD and Maneta alongside guest Hannie Phi, playing techy, proggy, trance and 90s-influenced sets.

This app should work without an internet connection as long as you keep its window open. For the best experience, add it to your home screen. This will install a minimal version of the app with its own icon, just like a regular mobile app. We believe this is better suited for your festival-level cognitive load and will help save your phone’s battery. (If it fails, please try again with a better internet connection.)
On iOS, tap the 3 dots button, then the Share button, scroll down, and select 'Add to Home Screen'. (If you opened this link from Telegram, the option won’t appear — copy the link and open it in Safari.)