Form Grows Rampant is the debut release by Peter Christopherson's solo project The Threshold HouseBoys Choir. The set is a CD + DVD. The album was originally announced in the X-Rated: The Dark Files as Rampant. The set was originally planned to be released in Blu-Ray format.[1] The DVD portion of the set includes documentary footage directed by Peter Christopherson from a vegetarian festival in Krung Thep, Thailand.