Den BB, ZL-Project made "Hallooo" available on April 30, 2016. The duration of Hallooo is about two minutes long, specifically at 2:41. This song does not appear to have any foul language. Hallooo's duration is considered a little bit shorter than the average duration of a typical track. Because this song is the only song in Hallooo and no other songs are present in the album, we classify this track as a single. Based on our statistics, Hallooo's popularity is below average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Hallooo テンポ

We consider the tempo marking of Hallooo by Den BB, ZL-Project to be Allegro (fast, quick, and bright) because the track has a tempo of 150 テンポ, a half-time of 75テンポ, and a double-time of 300 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, jogging or cycling, can go well with this song. The time signature for this track is 4/4.

Hallooo キー

D Major is the music key of this track. This also means that this song has a camelot key of 10B. So, the perfect camelot match for 10B would be either 10B or 11A. While, 11B can give you a low energy boost. For moderate energy boost, you would use 7B and a high energy boost can either be 12B or 5B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 10A or 9B will give you a low energy drop, 1B would be a moderate one, and 8B or 3B would be a high energy drop. Lastly, 7A allows you to change the mood.