구건일 작사·작곡
구건일 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 |
|---|---|---|
| Strawberry CakeXdinary Heroes · lyricist·composer | 2022 | |
| ICUXdinary Heroes · composer | 2025 | |
| SonyeonmanhwaXdinary Heroes · lyricist·composer | 2024 | |
| iNSTEAD!Xdinary Heroes · lyricist·composer | 2024 |