Ambient sludge metal supergroup Aethenor consist of members of the deafening American duo Sunn 0))), British Rock in Opposition-associated act Guapo, and Swiss trance merchants Shora, crossing both international and musical boundaries. The project started in 2003, when Sunn 0)))'s guitarist Stephen O'Malley and Shora's keyboardist and electronics mastermind Vincent de Roguin started spending their down time during a shared European tour making spur-of-the-moment improvisational recordings in hotel rooms and other locations. After the tour was over, de Roguin and O'Malley conve...