• Nadja is a Canadian ambient doom duo, consisting of Aidan Baker and Leah Buckareff.

• Jarboe is a solo artist whose vast body of work includes collaborations with Neurosis, Jesu, and A Perfect Circle. From the mid-1980‘s to the late 90‘s, she was a core member of Swans.

• Mick Barr is a guitarist whose unique style has roots in avant-garde composition and black metal. In addition to solo projects Octis and Ocrilim, he has been a driving creative force behind bands such as Krallice, Orthrelm, and Crom-Tech.

• Toby Driver is a multi-instrumentalist and composer. He is the frontman of Kayo Dot, a band which reflects his wide range of influences, from death metal to chamber music.

• Portal is an extreme metal band from Australia, aptly described as “The Purveyors of Spectral Damnation.”

• Edward Ka-Spel is best known as the frontman and songwriter of The Legendary Pink Dots. His numerous side projects include The Tear Garden, a collaboration with cEvin Key of Skinny Puppy.

• Sarah Register is the guitarist of noise-rock duo Talk Normal and a mastering engineer whose work includes both of Bloody Panda's full length albums.

• The Veda Rays are an art-house rock and roll band helmed by Jim Stark & Jason Gates (aka Marcucci). Guest Juan Montoya, formerly with Torche and Floor, plays guitar in the psych metal band MonstrO.

• G. Stuart Dahlquist and Edgy 59 are the former bassist and vocalist of doom band Burning Witch. Summon: Invocation marks the duo’s first collaboration since the demise of Burning Witch in 1998.

• Yoshiko Ohara is a Japanese musician and visual artist. She is the vocalist in Bloody Panda.

• Jessika Kenney is a vocalist known for her work with Sunn 0))), Asva, Eyevind Kang, and Gamelan Pacifica.

• Sanford Parker is a producer and engineer who has helped create albums for Nachtmystium, Pelican, and Rwake. He is the bassist of Minsk and formerly the guitarist of Buried At Sea.

• Matmos is an experimental electronic duo, expert in creating music out of unconventional sounds - recordings of actual liposuction surgery, for example. Their immense body of work includes collaborations with Bjork (notably, her acclaimed Vespertine album), and Rachel’s.