Endswell made "Heart Container" available on February 17, 2023. Heart Container is 2 minutes and 32 seconds long and may contain bad words that may be unsuitable for children. Because this song is the only song in Heart Container and no other songs are present in the album, we classify this track as a single. The popularity of Heart Container is currently unknown 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.

Heart Container テンポ

We consider the tempo marking of Heart Container by Endswell to be Presto (very, very fast) because the track has a tempo of 192 テンポ, a half-time of 96テンポ, and a double-time of 384 テンポ. Based on that, the speed of the song's tempo is fast. The time signature for this track is 4/4.

Heart Container キー

D♭ Major is the music key of this track. This also means that this song has a camelot key of 3B. So, the perfect camelot match for 3B would be either 3B or 4A. While, 4B can give you a low energy boost. For moderate energy boost, you would use 12B and a high energy boost can either be 5B or 10B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 3A or 2B will give you a low energy drop, 6B would be a moderate one, and 1B or 8B would be a high energy drop. Lastly, 12A allows you to change the mood.