Provided to KRplus by Mound Media Inc. Datoom · Yerin Baek Every letter I sent you. ℗ Blue Vinyl, under license to POCLANOS Released on: 2019-12-10 Composer: Yerin Baek Lyricist: Yerin Baek Arranger: Yerin Baek Arranger: CLOUD Auto-generated by KRplus.