IOOi, Ikue Mori, DJ Olive, illy B, Okkyung Lee made "13" available on September 4, 2007. With 13 being less than two minutes long, at 1:50, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. The track order of this song in IOOi's "IOOi, Ikue Mori, Okkyung Lee, DJ Olive, illy B" album is number 13 out of 15. 13 is unknown right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

13 テンポ

We consider the tempo marking of 13 by IOOi, Ikue Mori, DJ Olive, illy B, Okkyung Lee to be Andante (at a walking pace) because the track has a tempo of 80 テンポ, a half-time of 40テンポ, and a double-time of 160 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 3/4.

13 キー

This song is in the music key of E♭ Major. This also means that this song has a camelot key of 5B. So, the perfect camelot match for 5B would be either 5B or 6A. While, 6B can give you a low energy boost. For moderate energy boost, you would use 2B and a high energy boost can either be 7B or 12B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 5A or 4B will give you a low energy drop, 8B would be a moderate one, and 3B or 10B would be a high energy drop. Lastly, 2A allows you to change the mood.