"Stained Glass Electric" is an unreleased track from Younger's forthcoming Impossible Symmetry album (out on the Pan label in 2012), "Imperium" is from his 2011 Impasse LP (on New Images), "Cryptography III" is from the 2011 Cryptography LP (Kye), "To An End II" is taken from the 2010 LP To An End (Alter/Peasant Magik) and the final track is of a live performance at London's Grosvenor venue, 2011, recorded by Pete Coward and exclusive to The Wire.

Luke Younger aka Helm (and one half of Birds Of Delay) is featured in an article by Matt Wuethrich in The Wire 333.