"Empty Postcard" by Helios Jazz Club had its release date on July 18, 2025. With this song being around four minutes long, at 4:18, 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 Helios Jazz Club's "Lost Letters" album is number 2 out of 15. The popularity of Empty Postcard is currently below average in popularity 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 Empty Postcard by Helios Jazz Club to be Presto (very, very fast) because the track has a tempo of 183 BPM, a half-time of 92BPM, and a double-time of 366 BPM. Based on that, the speed of the song's tempo is fast. The time signature for this track is 3/4.
This song is in the music key of B♭ Major. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.
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