Secret Letter

Description: Provided to YouTube by SLL

Secret Letter · Boramiyu

The Practical Guide to Love (Original Television Soundtrack)

℗ 2026 SLL

Vocals: Boramiyu
Arranger: Kim Ju Yeon
Producer: Seo Dongug
Producer: Kim Chaeeun
Programmer: Park Yonghyun
Piano: Park Yonghyun
Drums: Park Yonghyun
Guitar: Jeong Suwan
Guitar: Jeong Suwan
Mixer: KO SEUNGWOOK
Masterer: Kwon Namwoo
Bass: LEE YOON
Composer: Kim Ju Yeon
Lyricist: Eunyul

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