Riku's '少女・アユ' came out on March 24, 2005. The duration of 少女・アユ is about two minutes long, specifically at 2:27. This song does not appear to have any foul language. 少女・アユ's duration is considered a little bit shorter than the average duration of a typical track. The song is number 6 out of 27 in Deep Love ホスト オリジナル・サウンドトラック by Riku. 少女・アユ is unknown right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.

少女・アユ テンポ

The tempo marking of 少女・アユ by Riku is Adagio (slowly with great expression), since this song has a tempo of 74 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 1/4.

少女・アユ キー

This song has a musical key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.