伊藤 優's 'レイニーブルー' had a release date set for July 29, 2009. With this song being about 5 minutes long, at This song 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 泣けるピアノーJ-POPクラシカル・ピアノ・カヴァーズ, so we believe that "レイニーブルー" is a single. Based on our statistics, レイニーブルー'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.

レイニーブルー テンポ

The tempo marking of レイニーブルー by 伊藤 優 is Allegro (fast, quick, and bright), since this song has a tempo of 122 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.

レイニーブルー キー

D♭ Major is the music key of this track. This also means that this song has a camelot key of 3B. So, the perfect camelot match for 3B would be either 3B or 4A. While, 4B can give you a low energy boost. For moderate energy boost, you would use 12B and a high energy boost can either be 5B or 10B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 3A or 2B will give you a low energy drop, 6B would be a moderate one, and 1B or 8B would be a high energy drop. Lastly, 12A allows you to change the mood.