UPDATE - 6/1@2:57PM: Metal Hammer magazine recently conducted a video interview on location at the restaurant with co-owner Peter Iwers who had this to say regarding the restaurant's name (at about the 1:40 mark):
... 2112 is inspired from Rush. It was released in '76 ... it's one of the best records in the prog genre ... so we chose 2112 ...
You can check out the entire interview below or at this link (thanks Power Windows.
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There's a new restaurant in Gothenburg, Sweden that was opened recently by members of the Swedish metal band In Flames. The restaurant is simply named Restaurant 2112 as a tribute to Rush's 2112 album. For more information on the restaurant and to check out some pictures you can go to their website or visit them on Facebook. Thanks to masterbuilder for the heads up.