Tracklist
| 天女 ~Interlude~ | 3:12 | |
| 明日への讃歌 | 5:05 | |
| 空唄 | 4:21 | |
| 懐かしい未来 ~Longing Future~ | 5:43 | |
| ひとつ | 5:09 | |
| 風の手紙 | 5:02 | |
| Brave | 4:29 | |
| 夢のガーデン | 5:41 | |
| 群青の谷 | 5:07 | |
| My Friend | 4:25 | |
| Liberty | 4:51 | |
| 月がわたし | 4:37 | |
| Red Cliff ~心・戦~ | 5:59 | |
| 恵みの雨 | 5:15 | |
| Together | 4:27 | |
| -Intro- | ||
| 明日への讃歌 (Music Video) | ||
| ひとつ (Music Video) | ||
| 懐かしい未来 ~Longing Future~ (Music Video) | ||
| 空唄 (Music Video) | ||
| 風の手紙 (Music Video) | ||
| Red Cliff ~心・戦~ (Music Video) | ||
| 恵みの雨 (Music Video) | ||
| 群青の谷 (Music Video) | ||
| 合唱 [懐かしい未来 ~Longing Future~] (Music Video) | ||
| -Outro- 群青の谷 (Making Video) |
Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Voice Of Earth (CD, Album + DVD-V) | Avex Trax | AVCD-23695/B | Japan | 2009 | |
| Voice Of Earth (CD, Album) | Avex Trax | AVCD-23696 | Japan | 2009 | |
| Voice Of Earth (CD, Album + DVD-V) | Avex Taiwan Inc. | AVJCD10383/A | Taiwan | 2009 |