강재혁 작사·작곡
강재혁 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 |
|---|---|---|
| NalgaeYoon Hwa Jae In · lyricist | — | |
| Feel So GoodMRJ · lyricist | — | |
| So Nice(Remix)MRJ · composer | — | |
| HappinessMRJ · lyricist | — |