Michael Wong's '約定 - 2016 Live Version' came out on June 13, 2016. With this song being around four minutes long, at 3:53, 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 光良「回憶裡的瘋狂」巡迴演唱會 (Live), so we believe that "約定 - 2016 Live Version" is a single. In terms of popularity, 約定 - 2016 Live Version is currently below average in popularity. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

約定 - 2016 Live Version テンポ

The tempo marking of 約定 - 2016 Live Version by Michael Wong is Andante (at a walking pace), since this song has a tempo of 99 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.

約定 - 2016 Live Version キー

This song is in the music key of B♭ Major. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.