Sora (Hearts Grow)
- Hearts Grow
- Catalog Number
- Sora (そら; Sky)
- Mirai Sketch (未来スケッチ; Future Sketch)
"Sora" is the sixth single and final single released by Hearts Grow. The title track was used as the opening of the anime TETSUWAN BIRDY: DECODE. This was the band's final release before they disbanded in 2009. The single reached #52 on the weekly Oricon chart and charted for three weeks, selling 3,206 copies.
There are three versions of "Sora" to be found on Hearts Grow's discography. These are:
- Found on "Sora" single as track #1.
- Found on "Sora" single as track #3.
- Sora-TV size ver.-
- Found on the anime compilation album, TETSUWAN BIRDY DECODE ORIGINAL SOUNDTRACK, on disc 1, as track #1.