Carbon, Armanibanz! made "Hey!" available on March 17, 2022. Hey! is 2 minutes and 42 seconds long and may contain bad words that may be unsuitable for children. Because this song is the only song in Hey! and no other songs are present in the album, we classify this track as a single. In terms of popularity, Hey! is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Hey! テンポ

We consider the tempo marking of Hey! by Carbon, Armanibanz! to be Moderato (at a moderate speed) because the track has a tempo of 111 テンポ, a half-time of 56テンポ, and a double-time of 222 テンポ. Based on that, the speed of the song's tempo is moderate. The time signature for this track is 5/4.

Hey! キー

D♭ Minor is the music key of this track. This also means that this song has a camelot key of 12A. So, the perfect camelot match for 12A would be either 12A or 11B. While, a low energy boost can consist of either 12B or 1A. For moderate energy boost, you would use 9A and a high energy boost can either be 2A or 7A. However, if you are looking for a low energy drop, finding a song with a camelot key of 11A would be a great choice. Where 3A would give you a moderate drop, and 10A or 5A would be a high energy drop. Lastly, 3B allows you to change the mood.