Sadao Watanabe made "バタフライ" available on October 3, 2018. Since バタフライ is still less than 10 minute long, it is still considered a pretty long duration song compared to the average song length. This song does not appear to be explicit due to the lack of the "E" tag. There is only one song in リバップ・ザ・ナイト, so we believe that "バタフライ" is a single. In terms of popularity, バタフライ is currently not that popular. Since there is more of a neutral sound being played, this makes the track somewhat danceable.
The tempo marking of バタフライ by Sadao Watanabe is Moderato (at a moderate speed), since this song has a tempo of 115 テンポ. With that information, we can conclude that the song has a moderate tempo. This song can go great with walking. The time signature for this track is 4/4.
This song has a musical key of F Major. This also means that this song has a camelot key of 7B. So, the perfect camelot match for 7B would be either 7B or 8A. While, 8B can give you a low energy boost. For moderate energy boost, you would use 4B and a high energy boost can either be 9B or 2B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 7A or 6B will give you a low energy drop, 10B would be a moderate one, and 5B or 12B would be a high energy drop. Lastly, 4A allows you to change the mood.