On January 1, 2014, the song "Hai Thế Giới" was released by Wowy. With this song being about 5 minutes long, at 4:47, "Hai Thế Giới" by Wowy is fairly a long song compared to the average song length. This song does not have an "Explicit" tag, making it safe for all ages. Because this song is the only song in Hai Thế Giới and no other songs are present in the album, we classify this track as a single. Hai Thế Giới is unknown right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

Hai Thế Giới テンポ

We consider the tempo marking of Hai Thế Giới by Wowy to be Andante (at a walking pace) because the track has a tempo of 88 テンポ, a half-time of 44テンポ, and a double-time of 176 テンポ. Based on that, the speed of the song's tempo is slow. Activities such as, yoga or pilates, can go well with this song. The time signature for this track is 4/4.

Hai Thế Giới キー

The music key of this track is G Major. This also means that this song has a camelot key of 9B. So, the perfect camelot match for 9B would be either 9B or 10A. While, 10B can give you a low energy boost. For moderate energy boost, you would use 6B and a high energy boost can either be 11B or 4B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 9A or 8B will give you a low energy drop, 12B would be a moderate one, and 7B or 2B would be a high energy drop. Lastly, 6A allows you to change the mood.