Glass Towers's ' "Halcyon" was released on its scheduled release date, July 5, 2013. With this song being around four minutes long, at 3:41, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. The track order of this song in Glass Towers's "Halcyon Days" album is number 6 out of 11. On top of that, Australia appears to be the country where this track was created. Based on our statistics, Halcyon's popularity is not that popular right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

Halcyon テンポ

We consider the tempo marking of Halcyon by Glass Towers 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.

Halcyon キー

This song is in the music key of E Major. This also means that this song has a camelot key of 12B. So, the perfect camelot match for 12B would be either 12B or 1A. While, 1B can give you a low energy boost. For moderate energy boost, you would use 9B and a high energy boost can either be 2B or 7B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 12A or 11B will give you a low energy drop, 3B would be a moderate one, and 10B or 5B would be a high energy drop. Lastly, 9A allows you to change the mood.