Aoria is a Swedish progressive rock band with influences from the post-rock genre. In July 2011, after four years of silence, members Erik Nilsson and Robin Bergh began recording Aoria's debut album The Constant, accompanied by Niklas Sandin (Katatonia) on bass. The album was released October 10th 2012. Aoria was initially formed 2003 in Stockholm, Sweden, coming from a line of many band constellations. Band members Erik Nilsson, Erik Bäckström and Robert Hedman had previously released their demo Without You I'm Alive as the band Drive.