Seejayxo's 'heartbeat.' came out on March 18, 2024. heartbeat. is 2 minutes and 21 seconds long and may contain bad words that may be unsuitable for children. Because this song is the only song in heartbeat. and no other songs are present in the album, we classify this track as a single. Based on our statistics, heartbeat.'s popularity is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

heartbeat. テンポ

We consider the tempo marking of heartbeat. by Seejayxo to be Allegro (fast, quick, and bright) because the track has a tempo of 131 テンポ, a half-time of 66テンポ, and a double-time of 262 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.

heartbeat. キー

This song has a musical key of F♯ Major. This also means that this song has a camelot key of 2B. So, the perfect camelot match for 2B would be either 2B or 3A. While, 3B can give you a low energy boost. For moderate energy boost, you would use 11B and a high energy boost can either be 4B or 9B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 2A or 1B will give you a low energy drop, 5B would be a moderate one, and 12B or 7B would be a high energy drop. Lastly, 11A allows you to change the mood.