Urotsuki made "Opening - Acoustic Version" available on May 26, 2007. With Opening - Acoustic Version being less than two minutes long, at 1:49, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. Since Opening (Acoustic Version) only contains only one song in the album, we like to consider this song as a single. In terms of popularity, Opening - Acoustic Version is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Opening - Acoustic Version テンポ

With Opening - Acoustic Version by Urotsuki having a テンポ of 116 with a half-time of 58 テンポ and a double-time of 232 テンポ, we would consider this track to have a Moderato (at a moderate speed) tempo marking. Because of this, we believe that the song has an overall moderate tempo. Looking at the テンポ of this song, this song might go great with walking. The time signature for this track is 4/4.

Opening - Acoustic Version キー

This song has a musical key of E♭ Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 5B. So, the perfect camelot match for 5B would be either 5B or 6A. While, 6B can give you a low energy boost. For moderate energy boost, you would use 2B and a high energy boost can either be 7B or 12B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 5A or 4B will give you a low energy drop, 8B would be a moderate one, and 3B or 10B would be a high energy drop. Lastly, 2A allows you to change the mood.