On January 21, 1991, the song "F・L・Y" was released by Spectrum. With this song being around four minutes long, at 3:30, 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. There is only one song in オプティカル・サンライズ/スペクトラム2, so we believe that "F・L・Y" is a single. In terms of popularity, F・L・Y is currently not that popular. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

F・L・Y テンポ

The tempo marking of F・L・Y by Spectrum is Andante (at a walking pace), since this song has a tempo of 90 テンポ. With that information, we can conclude that the song has a slow tempo. This song can go great with yoga or pilates. The time signature for this track is 4/4.

F・L・Y キー

This song has a musical key of 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.