My Little Lover made "blue sky" available on November 18, 2009. blue sky is about six minutes long, preciously at 5:39, making this song fairly long compared to other songs. There is only one song in そらのしるし, so we believe that "blue sky" is a single. In terms of popularity, blue sky is currently not that popular. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

blue sky テンポ

The tempo marking of blue sky by My Little Lover is Moderato (at a moderate speed), since this song has a tempo of 110 テンポ. With that information, we can conclude that the song has a moderate tempo. The time signature for this track is 4/4.

blue sky キー

This song is in the music key of A Major. This also means that this song has a camelot key of 11B. So, the perfect camelot match for 11B would be either 11B or 12A. While, 12B can give you a low energy boost. For moderate energy boost, you would use 8B and a high energy boost can either be 1B or 6B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 11A or 10B will give you a low energy drop, 2B would be a moderate one, and 9B or 4B would be a high energy drop. Lastly, 8A allows you to change the mood.