plenty made "手紙" available on November 5, 2014. With this song being around four minutes long, at 3:38, 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 空から降る一億の星, so we believe that "手紙" is a single. The popularity of 手紙 is currently not that popular right now. Based on the vibe, this track doesn't seem to be that danceable, however its valence properties can make this some somewhat danceable.

手紙 テンポ

The tempo marking of 手紙 by plenty is Vivace (lively and fast), since this song has a tempo of 172 テンポ. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 4/4.

手紙 キー

This song has a musical key of D♭ Minor. This also means that this song has a camelot key of 12A. So, the perfect camelot match for 12A would be either 12A or 11B. While, a low energy boost can consist of either 12B or 1A. For moderate energy boost, you would use 9A and a high energy boost can either be 2A or 7A. However, if you are looking for a low energy drop, finding a song with a camelot key of 11A would be a great choice. Where 3A would give you a moderate drop, and 10A or 5A would be a high energy drop. Lastly, 3B allows you to change the mood.