what to do Sunday 20th August in Berlin? Posted on 19. August 2017 by U inn Berlin Hostel Buttons August – 46 Hours! queer techno party @ About Blank Schokoladen Open Stage – play your songs unplugged! starts between 8:30 and 9 pm. artists should arrive around 8 pm! cozy athmosphere, perfect sound and support by our engineer, delicate tunes afterwords and delicious drinks! Sunday Karaoke in Mauerpark! enjoy and have a great sunday!