angela's ' "Proof" was released on its scheduled release date, December 12, 2007. With this song being about 5 minutes long, at This song 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. There is only one song in 宝箱-TREASURE BOX-, so we believe that "Proof" is a single. Based on our statistics, Proof's popularity is not that popular right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

Proof テンポ

The tempo marking of Proof by angela is Allegro (fast, quick, and bright), since this song has a tempo of 151 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with running. The time signature for this track is 4/4.

Proof キー

F♯ Minor is the music key of this track. This also means that this song has a camelot key of 11A. So, the perfect camelot match for 11A would be either 11A or 10B. While, a low energy boost can consist of either 11B or 12A. For moderate energy boost, you would use 8A and a high energy boost can either be 1A or 6A. However, if you are looking for a low energy drop, finding a song with a camelot key of 10A would be a great choice. Where 2A would give you a moderate drop, and 9A or 4A would be a high energy drop. Lastly, 2B allows you to change the mood.