DaeB, Mir Ebk's 'Heart of the city' had a release date set for March 4, 2024. Heart of the city is 2 minutes and 10 seconds long and may contain bad words that may be unsuitable for children. Because this song is the only song in Heart of the city and no other songs are present in the album, we classify this track as a single. Based on our statistics, Heart of the city's popularity is not that popular right now. Although the overall vibe is very danceable, it does project more negative sounds.

Heart of the city テンポ

We consider the tempo marking of Heart of the city by DaeB, Mir Ebk 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.

Heart of the city 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.