aiko's 'Futari' came out on 2008. With this song being about 5 minutes long, at 4:54, "Futari" by aiko 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. The track order of this song in aiko's "Himitsu" album is number 2 out of 13. The popularity of Futari is currently not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Futari テンポ

We consider the tempo marking of Futari by aiko to be Vivace (lively and fast) because the track has a tempo of 160 テンポ, a half-time of 80テンポ, and a double-time of 320 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, running, can go well with this song. The time signature for this track is 4/4.

Futari キー

G Major is the music key of this track. 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.