In what year was the album “Decades” released by Nightwish?

In what year was the album “Decades” released by Nightwish?: The album “Decades” was released in 2018 by Nightwish, featuring 22 tracks.
What is the most successful song from the album “Decades” by Nightwish?: “Nemo” is the biggest hit from the album “Decades” by Nightwish.
What are the main songs from the album “Decades” by Nightwish?: The main songs from the album “Decades” by Nightwish are “Nemo”, “Wish I Had an Angel”, “Amaranth”, “Sleeping Sun”, and “Storytime”.

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