In what year was the album “To. X” released by 태연 (TAEYEON)?

In what year was the album “To. X” released by 태연 (TAEYEON)?: The album “To. X” was released in 2023 by 태연 (TAEYEON), featuring 6 tracks.
What is the most successful song from the album “To. X” by 태연 (TAEYEON)?: “To. X” is the biggest hit from the album “To. X” by 태연 (TAEYEON).

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