Title 편지 Artist stayoung, Release2021.08.20 Genre Rock, Labelstayoung FormatSingle CountryKorea 1.편지 Written, arranged, produced, and performed by Seiyoung Ahn a.k.a. stayoung Mixed and mastered by Ben Etter Album artwork by Seiyoung Ahn a.k.a. stayoung more