二宮和也 made "虹" available on July 16, 2021. With this song being around four minutes long, at 4:24, 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 ウラ嵐BEST 1999-2007, so we believe that "虹" is a single. Based on our statistics, 虹's popularity is average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.
The tempo marking of 虹 by 二宮和也 is Allegro (fast, quick, and bright), since this song has a tempo of 136 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.
B Major is the music key of this track. This also means that this song has a camelot key of 1B. So, the perfect camelot match for 1B would be either 1B or 2A. While, 2B can give you a low energy boost. For moderate energy boost, you would use 10B and a high energy boost can either be 3B or 8B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 1A or 12B will give you a low energy drop, 4B would be a moderate one, and 11B or 6B would be a high energy drop. Lastly, 10A allows you to change the mood.