They are "SKALSTORM"
I said about one very special split 7“ when I announced here the upcoming "Vögguvísur Yggdrasils" album by SKÁLMÖLD. That red ltd 7" vinyl by SKÁLMÖLD and ALESTORM is now available for pre-order and will be out September 30th, 2016.
Side A: “Drink”, originally by Alestorm, covered by Skálmöld – taken from the new Skálmöld Album Vögguvísur Yggdrasils
Side B: “Kvaðning”, originally by Skálmöld, covered by Alestorm – EXCLUSIVELY available on the limited 7” vinyl edition!
Go to Napalm records to get a copy.