Yusuke made "レインボー" available on April 4, 2012. With this song being around four minutes long, at 4:09, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. There is only one song in 「あの・・涙があるから愛があるんですケド。」コンプリートパック, so we believe that "レインボー" is a single. Based on our statistics, レインボー's popularity is not that popular right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

レインボー テンポ

The tempo marking of レインボー by Yusuke is Allegro (fast, quick, and bright), since this song has a tempo of 137 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 4/4.

レインボー キー

The music key of this track is A♭ Major. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.