"약속 (이산 O.S.T 중)" by Jang Yoon-Jeong had its release date on November 21, 2007. With this song being around four minutes long, at 3:31, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. There is only one song in 이산 OST, so we believe that "약속 (이산 O.S.T 중)" is a single. 약속 (이산 O.S.T 중) is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

약속 (이산 O.S.T 중) テンポ

The tempo marking of 약속 (이산 O.S.T 중) by Jang Yoon-Jeong is Adagio (slowly with great expression), since this song has a tempo of 75 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 3/4.

약속 (이산 O.S.T 중) キー

This song is in the music key of B Minor. This also means that 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.