Covered in Blood is a compilation album by Arch Enemy, featuring all 24 covers the band recorded and released from 1996 until 2019. This is the only official Arch Enemy release that features all three lead vocalists that the band has had – Johan Liiva, Angela Gossow and Alissa White-Gluz. 
Background.
Starting with their debut album (1996's "Black Earth"), Arch Enemy have regularly recorded two or more covers as bonus tracks for deluxe versions of their albums. Most of these tracks were exclusive to physical copies of the albums, and Covered in Blood is the first time they are available on streaming platforms. The album features all covers the band had, at that point, recorded in their entire career.
Tracks 1, 2 and 11 were originally bonus tracks of "Will to Power".
Tracks 3 and 4 were originally bonus tracks of "War Eternal".
Tracks 5 and 6 were originally released on a flexi-disc available as a free gift with the August 2014 copy of "Decibel" magazine.
Tracks 7, 8, 9 and 10 were originally on the "Råpunk" EP which was available as a 7" vinyl in the deluxe boxset of "Will to Power" and, later, as a 7" vinyl or CD single exclusively in Japan.
Tracks 12, 14 and 16 were originally on the "Kovered in Khaos" CD as part of the deluxe digibook version of "Khaos Legions".
Track 13 was originally a Japanese bonus track of "Khaos Legions".
Track 15 was originally a Japanese bonus track of "Rise of the Tyrant", and later appeared on the "Dawn of Khaos" EP which was available as a free gift with the May 2011 edition of Metal Hammer magazine.
Track 17 was originally a Japanese bonus track of "The Root of All Evil".
Tracks 18, 19 and 20 were originally part of the EP "Dead Eyes See No Future".
Tracks 21 and 24 were originally bonus tracks of "Black Earth".
Track 22 was originally a bonus track of "Burning Bridges" and "Wages of Sin". 
Track 23 was originally a bonus track of "Burning Bridges" and "Wages of Sin", and part of the EP "Burning Angel". 
This album remained a comprehensive compilation of every Arch Enemy cover until the release of "Deceivers" in 2022, which had two covers as bonus tracks - which, to this date, remain exclusive to physical copies of the album.
References.
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