Long-awaited 'Prequelle' follow-up, 'Impera,' due in March
Bassist shares clips of eerie music from collab with Sweet Noise's Glaca
Grindcore OGs Napalm Death and goth upstarts Unto Others set to open
Ibanez took five years to create one-of-a-kind musical beast
Shows are set to return in a big way this year
Singer disputes former bandmates' claims, says their disbandment was "inevitable"