蔭山征彥's '第一封信 / 友子 你還在等我嗎' came out on October 24, 2008. With 第一封信 / 友子 你還在等我嗎 being less than two minutes long, at 1:02, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. There is only one song in 《海角七號》電影原聲帶, so we believe that "第一封信 / 友子 你還在等我嗎" is a single. Based on our statistics, 第一封信 / 友子 你還在等我嗎's popularity 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.

第一封信 / 友子 你還在等我嗎 テンポ

The tempo marking of 第一封信 / 友子 你還在等我嗎 by 蔭山征彥 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 5/4.

第一封信 / 友子 你還在等我嗎 キー

B♭ Major is the music key of this track. 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.