つきみ made "えーる" available on August 5, 2022. With this song being around four minutes long, at 4:22, 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 オトコ一瞬ダチ一生, so we believe that "えーる" is a single. The popularity of えーる is currently not that popular right now. Based on the vibe, this track doesn't seem to be that danceable, however its valence properties can make this some somewhat danceable.

えーる テンポ

The tempo marking of えーる by つきみ is Prestissimo (even faster than presto), since this song has a tempo of 204 テンポ. The time signature for this track is 3/4.

えーる キー

A♭ Major is the music key of this track. This also means that 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.