Hiroo Yamaguchi 작곡
Hiroo Yamaguchi is credited (composer) on 3 songs here; 3 have karaoke numbers. Credits come from TJ Media chart listings, so only karaoke-charting songs appear.
| Song · Artist | Numbers (tap to copy) | Year |
|---|---|---|
| Because I Don't Know How to Love (2023)F.T. Island · composer | 2007 | |
| まもりたい ~White Wishes~(Tales of Graces OST)BoA · composer | 2009 | |
| Your ColorBoA · composer | 2006 |