Q1: Foster The People. "Forgone Destruction." Prodigy, honestly. Stone Temple Pilots.
Q2: Reign In Blood seems cliche because it's the obvious right answer. Meshuggah. KMFDM.
Q3: Third Eye Blind. My Morning Jacket, Z. Frightened Rabbit, Midnight Organ Fight.
Q4: The Caretaker, e.g. An Empty Bliss Beyond This World. Xiu Xiu. The Disintegration Loops. A Momentary Lapse Of Reason. Deathcab For Cutie.
Right: The Mountain Goats.
Top: Wumpscut? High On Fire. At The Drive-In.
Left: Dragonforce. (Yes it's ridiculous. I don't care. Power metal rules.) Lightning Bolt. The Decemberists.
Bottom: The Joy Formidable. Death's Dynamic Shroud. The Barenaked Ladies' "Next Time." A Perfect Circle. The Twilight Sad. The Cranberries. As Tall As Lions.