"Angel" by Bangkok Symphony Orchestra was released on August 10, 2007. With Angel being less than two minutes long, at 1:51, 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. There is only one song in 不能說的‧秘密, so we believe that "Angel" is a single. Angel is below average in popularity right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Angel テンポ

The tempo marking of Angel by Bangkok Symphony Orchestra is Andante (at a walking pace), since this song has a tempo of 81 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.

Angel キー

D♭ Major is the music key of this track. This also means that this song has a camelot key of 3B. So, the perfect camelot match for 3B would be either 3B or 4A. While, 4B can give you a low energy boost. For moderate energy boost, you would use 12B and a high energy boost can either be 5B or 10B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 3A or 2B will give you a low energy drop, 6B would be a moderate one, and 1B or 8B would be a high energy drop. Lastly, 12A allows you to change the mood.