In what year was the album “What Do I Call You” released by 태연 (TAEYEON)?

In what year was the album “What Do I Call You” released by 태연 (TAEYEON)?: The album “What Do I Call You” was released in 2020 by 태연 (TAEYEON), featuring 5 tracks.
What is the most successful song from the album “What Do I Call You” by 태연 (TAEYEON)?: “Galaxy” is the biggest hit from the album “What Do I Call You” by 태연 (TAEYEON).

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