Eir Aoi's '虹の音' came out on January 1, 2014. With this song being about 5 minutes long, at 4:52, "虹の音" by Eir Aoi is fairly a long song compared to the average song length. This song does not have an "Explicit" tag, making it safe for all ages. There is only one song in 虹の音, so we believe that "虹の音" is a single. The popularity of 虹の音 is currently not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

虹の音 テンポ

The tempo marking of 虹の音 by Eir Aoi is Vivace (lively and fast), since this song has a tempo of 168 テンポ. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 4/4.

虹の音 キー

D Major is the music key of this track. This also means that this song has a camelot key of 10B. So, the perfect camelot match for 10B would be either 10B or 11A. While, 11B can give you a low energy boost. For moderate energy boost, you would use 7B and a high energy boost can either be 12B or 5B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 10A or 9B will give you a low energy drop, 1B would be a moderate one, and 8B or 3B would be a high energy drop. Lastly, 7A allows you to change the mood.