The acts (so far) include: Haxan Cloak, Wolf Eyes, Health, Actress, Jenny Hval, Viet Cong, Weyes Blood, Circuit Des Yeux, Perfume Genius, Blanck Mass, Gourisankar & Indrijat Banajeer.
You can read more about this years Basilica Soundscape via The New York Times. For official details, check the Basilica Soundscape website.
Early bird tickets are currently on sale. There are also early bird plus camping tickets which is an awesome way to experience this festival.