The Marriage of True Minds was constructed using both the subjects' verbal descriptions and the band members' reenactments of these "psychic" visions.

Baltimore producer Schwarz later released a club mix of "Very Large Green Triangles" with proceeds benefiting the Maryland Food Bank.

[3] The album was recorded and mixed at Daniel and Schmidt's Baltimore home and Snow Ghost Studio in Montana, and mastered in San Francisco by Thomas DiMuzio.

[2] Pitchfork Media's Jayson Greene noted that Matmos' music "has always had an antic, morbid cast to it, like a Grimm's fairy tale with all the ghoulish aspects slightly accentuated, and The Marriage of True Minds is maybe the most confident they've ever been at balancing the two sides of this equation.

"[1] Heather Phares, reviewing the album for AllMusic, wrote that it "effortlessly [balances] the duo's freewheeling, meticulous, ominous, and playful sides" and "delivers some of the most abstract, and most visceral, music" in Matmos' discography.