On March 13, 2013, the song "21" was released by Millionaires. 21 is explicit and may not be suitable for children. With the duration being about 3:37, this song is close to the average duration of a typical track. There are a total of 11 in the song's album "Tonight". In this album, this song's track order is #5. Based on our statistics, 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.

21 テンポ

With 21 by Millionaires having a テンポ of 131 with a half-time of 66 テンポ and a double-time of 262 テンポ, we would consider this track to have a Allegro (fast, quick, and bright) tempo marking. Because of this, we believe that the song has an overall fast tempo. Looking at the テンポ of this song, this song might go great with walking. The time signature for this track is 4/4.

21 キー

This song is in the music key of B Minor. Or for those who are familiar with the camelot wheel, this song has a camelot key of 10A. So, the perfect camelot match for 10A would be either 10A or 9B. While, a low energy boost can consist of either 10B or 11A. For moderate energy boost, you would use 7A and a high energy boost can either be 12A or 5A. However, if you are looking for a low energy drop, finding a song with a camelot key of 9A would be a great choice. Where 1A would give you a moderate drop, and 8A or 3A would be a high energy drop. Lastly, 1B allows you to change the mood.