구정복 작사·작곡
구정복 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 |
|---|---|---|
| Naepyeonin Saram구한나 · lyricist·composer | — | |
| Kkulmat Gateun Sarang이소리 · lyricist·composer | — | |
| Itneungeo Juneungeoya최신영 · composer | — | |
| Ilnyeone Han Beon민희라 · composer | — |