東方美 made "一封難回信" available on December 1, 1988. The duration of 一封難回信 is about 3 minutes long, at 3:27. Based on our data, "一封難回信" appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. There is only one song in 出航, so we believe that "一封難回信" is a single. Based on our statistics, 一封難回信's popularity is not that popular right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

一封難回信 テンポ

The tempo marking of 一封難回信 by 東方美 is Allegro (fast, quick, and bright), since this song has a tempo of 132 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 4/4.

一封難回信 キー

E♭ Minor is the music key of this track. Because this track belongs in the E♭ Minor key, the camelot key is 2A. So, the perfect camelot match for 2A would be either 2A or 1B. While, a low energy boost can consist of either 2B or 3A. For moderate energy boost, you would use 11A and a high energy boost can either be 4A or 9A. However, if you are looking for a low energy drop, finding a song with a camelot key of 1A would be a great choice. Where 5A would give you a moderate drop, and 12A or 7A would be a high energy drop. Lastly, 5B allows you to change the mood.