Slipknot - IOWA It is official - the title of the new Slipknot LP will be IOWA. Currently, we are looking to release this come July...but do not consider that 100% confirmed as of yet. "Heretic Song" sampler - Before the release of IOWA, expect to see a 1 song Slipknot cassette sampler making its way around this summer. Contents will be but 1 track from the upcoming IOWA LP - a song titled "Heretic Song".