Girls' Generation made "Express 999" available on January 1, 2013. The duration of Express 999 is about 3 minutes long, at 3:26. Based on our data, "Express 999" appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. The track order of this song in BTS, Girls' Generation's "I GOT A BOY - The 4th Album" album is number 6 out of 10. Based on our statistics, Express 999's popularity is below average in popularity right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

Express 999 テンポ

We consider the tempo marking of Express 999 by Girls' Generation to be Allegro (fast, quick, and bright) because the track has a tempo of 126 テンポ, a half-time of 63テンポ, and a double-time of 252 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

Express 999 キー

This song is in the music key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.