구자형 작사·작곡
구자형 is credited (lyricist & composer) on 4 songs here; 4 have karaoke numbers. Credits come from TJ Media chart listings, so only karaoke-charting songs appear.
| Song · Artist | Numbers (tap to copy) | Year |
|---|---|---|
| Nan NeolGil Eun-jung · lyricist·composer | — | |
| Bappaseo이수나 · lyricist | — | |
| Cheongchuna Eodiro Gani양하영 · lyricist | — | |
| BaramKang Tae Hwan · lyricist | — |