Svarte Greiner hasn’t played a show in this country since 2011, but the gloomy Norwegian hits Aurora for a free Monday show. The solo project of Deaf Heaven’s Erik K. Skodvin, Svarte Greiner has been described as “acoustic doom” and sure, that sounds about right. The music will be very slow and instrumental and will probably involve a healthy dose of earnest knob-twiddling. Skodvin’s performing along with Providence musicians V. Sinclair and Mem1. Scarpa is also on the bill and I have no idea who that is or whether or not they’re local because sometimes people insist on being mysterious about these things.