Thank you everyone for participating! Here's the full list:
A1: Ghostly Kisses - Heaven, Wait (pg1067)
A2:
End of the Dream - Until You Break (highly recommended if you like this particular style)
A3: Empyrium - Über den Sternen (Luke)
A4: Voices From the Fuselage - Odyssey: The Founder of Dreams (Luke)
B1: Hypno5e - Shores of the Abstract Line (Luke)
B2: Currents - The Death We Seek (Vmadera)
B3: God Is An Astronaut - All Is Violent, All Is Bright (romdrums)
B4: Daylight Dies - Lost to the Living (Vmadera)
C1:
Swallow the Sun - Emerald Forest and the Blackbird (I thought this one was a given)
C2:
Lindy-Fay Hella - Seafarer (she's from Wardruna)
C3:
Fixation - More Subtle Than Death (too subtle to guess)
C4: Agent Fresco - A Long Time Listening (Luke)
D1: The Pineapple Thief - Your Wilderness (Luke)
D2:
Beth Hart - War In My Mind (I thought you guys will guess this one for sure)
D3: In Mourning - The Weight of Oceans (Tomi)
D4: Evership - Evership (Puppies)
Unguessed art: