On February 3, 2016, the song "Rainbow Days!" was released by 羽柴夏樹(CV:松岡禎丞), 松永智也（ＣＶ：江口拓也）, 片倉恵一(CV:島﨑信長), 直江剛（ＣＶ：内山昂輝）. With this song being around four minutes long, at 3:33, 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 are a total of 5 in the song's album "Rainbow Days!". In this album, this song's track order is #1. Based on our statistics, Rainbow Days!'s popularity is not that popular right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

Rainbow Days! テンポ

With Rainbow Days! by 羽柴夏樹(CV:松岡禎丞), 松永智也（ＣＶ：江口拓也）, 片倉恵一(CV:島﨑信長), 直江剛（ＣＶ：内山昂輝） having a テンポ of 128 with a half-time of 64 テンポ and a double-time of 256 テンポ, we would consider this track to have a Allegro (fast, quick, and bright) tempo marking. Because of this, we believe that the song has an overall fast 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.

Rainbow Days! キー

A♭ Major is the music key of this track. Or for those who are familiar with the camelot wheel, 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.