安九, 叶里's '当我们老去' came out on March 17, 2015. With this song being about 5 minutes long, at 5:15, "当我们老去" by 安九, 叶里 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 故事, so we believe that "当我们老去" is a single. Based on our statistics, 当我们老去's popularity is unknown right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

当我们老去 テンポ

The tempo marking of 当我们老去 by 安九, 叶里 is Allegro (fast, quick, and bright), since this song has a tempo of 140 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with jogging or cycling. The time signature for this track is 4/4.

当我们老去 キー

A Minor is the music key of this track. Because this track belongs in the A Minor key, the camelot key is 8A. So, the perfect camelot match for 8A would be either 8A or 7B. While, a low energy boost can consist of either 8B or 9A. For moderate energy boost, you would use 5A and a high energy boost can either be 10A or 3A. However, if you are looking for a low energy drop, finding a song with a camelot key of 7A would be a great choice. Where 11A would give you a moderate drop, and 6A or 1A would be a high energy drop. Lastly, 11B allows you to change the mood.