They explain: "In 2010 we filmed a live recording of Concealing Fate at Sphere with Francesco Carmeli. We enjoyed it so much that we always wanted to do it again.

"Altered State gave us the perfect opportunity. Sphere was closing to move to LA so it was especially important to record Of Matter before Francesco moved.

"As with everything TesseracT, the video shows the slight evolution of each track as we take it from the studio onto the stage."