Tracklist
| 約束 | 5:08 |
| Question | 3:31 |
| 約束 (Music Clip) | |
| コメント＋オフショット映像 |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| AVCD-30947/B | Hiroshi Tamaki | 約束 / Question (CD, Maxi + DVD-V) | Avex Trax | AVCD-30947/B | Japan | 2006 |
| AVCD-30948 | Hiroshi Tamaki | 約束 / Question (CD, Maxi) | Avex Trax | AVCD-30948 | Japan | 2006 |
