Sasuke made "Friend" available on March 18, 2009. Friend is about six minutes long, preciously at 6:12, making this song fairly long compared to other songs. There is only one song in 青いベンチ~好きだった...誰にも言えない恋だった~, so we believe that "Friend" is a single. In terms of popularity, Friend is currently not that popular. The overall mood can be danceable to some, especially with it's high amount of postive energy.

Friend テンポ

The tempo marking of Friend by Sasuke is Andante (at a walking pace), since this song has a tempo of 95 テンポ. With that information, we can conclude that the song has a slow tempo. This song can go great with yoga or pilates. The time signature for this track is 4/4.

Friend キー

This song has a musical key of D♭ Major. 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.