AFI made "Intro/Prelude 12/21" available on January 1, 2006. With Intro/Prelude 12/21 being less than two minutes long, at 1:34, 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 song is number 1 out of 13 in DECEMBERUNDERGROUND by AFI. Going off of the ISRC code of this track, we detected that the origin of this track is from United States. Based on our statistics, Intro/Prelude 12/21's popularity is below average in popularity right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

Intro/Prelude 12/21 テンポ

The tempo marking of Intro/Prelude 12/21 by AFI is Allegro (fast, quick, and bright), since this song has a tempo of 150 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with jogging or cycling. The time signature for this track is 4/4.

Intro/Prelude 12/21 キー

E♭ Minor is the music key of this track. Because this track belongs in the E♭ Minor key, the camelot key is 2A. So, the perfect camelot match for 2A would be either 2A or 1B. While, a low energy boost can consist of either 2B or 3A. For moderate energy boost, you would use 11A and a high energy boost can either be 4A or 9A. However, if you are looking for a low energy drop, finding a song with a camelot key of 1A would be a great choice. Where 5A would give you a moderate drop, and 12A or 7A would be a high energy drop. Lastly, 5B allows you to change the mood.