HAARPER's '4Am' came out on January 30, 2020. For a fairly short song, this song is "4Am" is considered an explicit song with a duration of 1:55. There is only one song in 4Am, so we believe that this song is a single. 4Am is not that popular right now. Although the overall vibe is very danceable, it does project more negative sounds.

4Am テンポ

The tempo marking of 4Am by HAARPER is Adagio (slowly with great expression), since this song has a tempo of 75 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.

4Am キー

This song is in the music key of F Major. This also means that this song has a camelot key of 7B. So, the perfect camelot match for 7B would be either 7B or 8A. While, 8B can give you a low energy boost. For moderate energy boost, you would use 4B and a high energy boost can either be 9B or 2B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 7A or 6B will give you a low energy drop, 10B would be a moderate one, and 5B or 12B would be a high energy drop. Lastly, 4A allows you to change the mood.