"かえるのコーラス" by 効果音 had its release date on October 7, 2015. With This song being less than a minute long, we are pretty confident that this song does not contain any foul language. That being said, this song is pretty short compared to other songs. There is only one song in ~歌でおぼえる日本の四季と和の行事~童謡・唱歌・わらべうた, so we believe that "かえるのコーラス" is a single. かえるのコーラス is unknown right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.
The tempo marking of かえるのコーラス by 効果音 is Lento (slowly), since this song has a tempo of 50 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
E Major is the music key of this track. This also means that this song has a camelot key of 12B. So, the perfect camelot match for 12B would be either 12B or 1A. While, 1B can give you a low energy boost. For moderate energy boost, you would use 9B and a high energy boost can either be 2B or 7B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 12A or 11B will give you a low energy drop, 3B would be a moderate one, and 10B or 5B would be a high energy drop. Lastly, 9A allows you to change the mood.