"心臓" by Eir Aoi was released on January 11, 2023. With this song being around four minutes long, at 3:34, 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. The track order of this song in Eir Aoi's "KALEIDOSCOPE" album is number 2 out of 13. On top of that, Japan appears to be the country where this track was created. Based on our statistics, 心臓's popularity 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.
We consider the tempo marking of 心臓 by Eir Aoi to be Allegro (fast, quick, and bright) because the track has a tempo of 135 テンポ, a half-time of 68テンポ, and a double-time of 270 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.
A Minor is the music key of this track. Because this track belongs in the A Minor key, the camelot key is 8A. So, the perfect camelot match for 8A would be either 8A or 7B. While, a low energy boost can consist of either 8B or 9A. For moderate energy boost, you would use 5A and a high energy boost can either be 10A or 3A. However, if you are looking for a low energy drop, finding a song with a camelot key of 7A would be a great choice. Where 11A would give you a moderate drop, and 6A or 1A would be a high energy drop. Lastly, 11B allows you to change the mood.