- Koda Kumi
- 1000 no Kotoba (1000の言葉; 1000 Words)
- Nojima Kazushige
- Matsueda Noriko & Eguchi Takahito
The song 1000 no Kotoba can be found on the real Emotion / 1000 no Kotoba single as track #2, the grow into one album as track #7, and her best album, BEST ~First Things~, as track #9. This song has been used in the Final Fantasy X-2 Japanese game. An instrumental is also included on the real Emotion / 1000 no Kotoba single as track #4.
A remix of this song, the 1000 no Kotoba (DJ 19 Remix), is found on the COME WITH ME single as track #5. An orchestral version of this song, the 1000 no Kotoba (Alterna Orchestra Version), can be found on grow into one album as track #15.
An English version, 1000 no Kotoba (English), is found on the COME WITH ME single as track #3. This is the standard version of the song, but sung in English by Koda Kumi. This version is different from the song used in the American release of Final Fantasy X-2, which is sung by Jade of Sweetbox.