Clue 1:
In the lyrics to this Maiden song, you'll find the name of both an Aerosmith and an AC/DC song.
"The Other Side" (Aerosmith) and "Danger" (AC/DC)
Clue 2:
No man's land
Alternative title for the classic war film "Hell on Earth". Original title is "Niemandsland", and the film has seen later releases under the name "No Man's Land - Hell on Earth"
Clue 3:
In the name of the song you will find the name of a US band active since the 1990s, whose front man arguably has a more reprehensible claim to fame than his band's music. In the lyrics you'll also find the name of a celebrated guitarist and a US 2000s experimental rock band.
Earth. Frontman Dylan Carlson bought the gun with which Kurt Cobain committed suicide. Carlson also appears in a rather incoherent fashion in Nick Broomfield's documentary "Kurt & Courtney".
2000s experimental rock band is Battles.
Clue 4:
The first US band referenced in clue 3 took their name from a very influential band. This other band only briefly used this moniker, though, before they changed their name - and became famous. The name of one of their songs - which also gave name to a now defunct metal festival in a city where Maiden will play in the near future - can be found in the first line of this Maiden song. The singer in this influential band later released a song in collaboration with another renowned member of the hard rock community. The name of this song should also lead you to the Maiden song.
Earth took their name from a short-lived moniker used by Black Sabbath, before they changed their name. "Hole in the sky" is the Black Sabbath song, it appears in the first line of "Hell on Earth", and it was the name of a metal festval in Bergen, Norway, where Maiden will play in June. Ozzy Osbourne sang "Hellraiser" with Lemmy (on the "No More Tears" album). The song was on the "Hellraiser III: Hell on Earth" soundtrack from 1993.
Clue 5:
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A reference to the lyrics: "Burning a lamp that is fire in your hands."
Clue 6:
Earning love
Anagram for "love in anger" - repeated extensively in the lyrics to "Hell on Earth".
Clue 7:
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"Guided by Voices" - Ohio rock outfit whose name points to the lyrics: "The voices that you hear now and the voices in your head".
Their album title "Earth Man Blues" both points at "Earth", and is also a good description of the lyrical self in "Hell on Earth". It's a man from Earth who's got the blues
Clue 8:
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"Vanity fair" points to the lyrics: "The vanity of the world is assured now". The subject of war is also a key element in the "Hell on Earth" lyrics.
Clue 9:
The lyrics combines two subject matters Maiden often explore: War and ponderings around the afterlife.
Self-explanatory.
Clue 10:
The song is solely a studio album track, it does not appear on other official Maiden releases.
Self-explanatory.
Clue 11:
Around the world for rock'n' roll
A line from "Hellraiser" by Ozzy/Motorhead (see clue 3).
Clue 12:
Fans of the Misfits will recognise the song title if they are serious record collectors.
"Hell on Earth" is the name of a tribute album to the Misfits.
Clue 13:
Bonus clue as I might be away for a few hours: The name of a Manowar release will also guide you to this Maiden song
Manowar has a DVD serial release called "Hell on Earth".