[1] Orbital left a demo tape which included the track that was subsequently named "Belfast" in recognition of the positive experience they'd had in the city.
"Belfast" uses a sample of soprano Emily Van Evera performing "O Euchari" from the Gothic Voices album A Feather on the Breath of God.
"LC1" includes a sample of television presenter Fred Dinenage reading a report of an alleged alien abduction.
In 1997, Orbital re-recorded Satan with Metallica guitarist Kirk Hammett, for the Spawn movie soundtrack.
[5] In 2021, during the promotion of their then upcoming 2022 remix/rework compilation album 30 Something, the duo released digital singles with new remixes of "Belfast" and "Satan".