SUNMI · Digital single · 2022

Release format, tracks, chronology and official videos.
SUNMI’s “Heart Burn” is a Digital single released on 2022-06-29 for Korea / global. Release 14 of 21 in the same market, following “선미야클럽 (Original Soundtrack Part 1)” by 42 days. 2 tracks; title track: Heart Burn; total duration: 6:28. Genre: K-Pop. Label: ABYSS COMPANY,under license to Kakao Entertainment. 3 official videos (Dance Practice: 1, Performance: 1, MV: 1); digital only.
All 2 tracks, with durations, title tracks, writing credits and official videos.
| # | Track | Duration | Credits | Videos |
|---|---|---|---|---|
| 1 | Heart BurnTitle track | 3:13 | Not confirmed | STUDIO CHOOM (BE ORIGINAL) ▸ (Japanese) |
| 2 | Childhood | 3:15 | Not confirmed | — |
Music videos, dance practices and performances for these tracks
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