Mzux Maen, Yasmin Levy made "HAYII" available on December 22, 2021. Since HAYII is still less than 10 minute long, it is still considered a pretty long duration song compared to the average song length. This song does not appear to be explicit due to the lack of the "E" tag. Because this song is the only song in HAYII and no other songs are present in the album, we classify this track as a single. In terms of popularity, HAYII is currently average in popularity. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

HAYII テンポ

We consider the tempo marking of HAYII by Mzux Maen, Yasmin Levy to be Moderato (at a moderate speed) because the track has a tempo of 118 テンポ, a half-time of 59テンポ, and a double-time of 236 テンポ. Based on that, the speed of the song's tempo is moderate. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

HAYII キー

This song is in the music key of F♯ Minor. This also means that this song has a camelot key of 11A. So, the perfect camelot match for 11A would be either 11A or 10B. While, a low energy boost can consist of either 11B or 12A. For moderate energy boost, you would use 8A and a high energy boost can either be 1A or 6A. However, if you are looking for a low energy drop, finding a song with a camelot key of 10A would be a great choice. Where 2A would give you a moderate drop, and 9A or 4A would be a high energy drop. Lastly, 2B allows you to change the mood.