[5] After touring Forward in Reverse, the band started to work on new material in the studio in the second half of 2017,[4] and expected to release an album in 2018.

[7] Because the album hit the market in the early days of the COVID-19 pandemic, the band had to postpone their "Arena Tour" several times, playing only several smaller shows in between.

[11][12] Stylistically, Alter Echo continues in a similar heavier vein as Forward in Reverse, with GAFFA describing the songs as "their slowest, longest and also heaviest to date", due to their metal and progressive influences.

[8] At the same time, in addition to the instruments of the power trio, orchestral and ambient arrangements play an increasingly dominant role.

It was made as a short film to visually tell the conceptual story told in "Amelia", about a young woman seeking help from the wrong people to get her back on track in life, resulting in a slow descent into a fanatic cult.