Unfollow's 'หัวใจระฟ้า' came out on 2015. With this song being around four minutes long, at 3:39, 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 หัวใจระฟ้า, so we believe that this song is a single. The popularity of หัวใจระฟ้า 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.

หัวใจระฟ้า テンポ

The tempo marking of หัวใจระฟ้า by Unfollow is Vivace (lively and fast), since this song has a tempo of 166 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.

หัวใจระฟ้า キー

This song has a musical key of B Major. 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.