In what year was the album “The Unknown Letter EP” released by Paradox?

In what year was the album “The Unknown Letter EP” released by Paradox?: The album “The Unknown Letter EP” was released in 2023 by Paradox, featuring 2 tracks.
What is the most successful song from the album “The Unknown Letter EP” by Paradox?: “Sirhaana” is the biggest hit from the album “The Unknown Letter EP” by Paradox.

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