"Hru?" by Ja66 was released on November 24, 2023. For a fairly short song, this song is "Hru?" is considered an explicit song with a duration of 1:39. Because this song is the only song in Hru? and no other songs are present in the album, we classify this track as a single. In terms of popularity, Hru? is currently not that popular. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Hru? テンポ

We consider the tempo marking of Hru? by Ja66 to be Andante (at a walking pace) because the track has a tempo of 100 テンポ, a half-time of 50テンポ, and a double-time of 200 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 5/4.

Hru? キー

This song is in the music key of B♭ Minor. Because this track belongs in the B♭ Minor key, the camelot key is 3A. So, the perfect camelot match for 3A would be either 3A or 2B. While, a low energy boost can consist of either 3B or 4A. For moderate energy boost, you would use 12A and a high energy boost can either be 5A or 10A. However, if you are looking for a low energy drop, finding a song with a camelot key of 2A would be a great choice. Where 6A would give you a moderate drop, and 1A or 8A would be a high energy drop. Lastly, 6B allows you to change the mood.