"Rouille" by Mephisto, Losty, Hassa was released on November 12, 2008. Rouille is explicit and may not be suitable for children. With the duration being about 4:25, this song is close to the average duration of a typical track. The track order of this song in Mephisto's "Hourglass (vol1)" album is number 6 out of 7. In terms of popularity, Rouille is currently unknown. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Rouille テンポ

We consider the tempo marking of Rouille by Mephisto, Losty, Hassa to be Andante (at a walking pace) because the track has a tempo of 91 テンポ, a half-time of 46テンポ, and a double-time of 182 テンポ. Based on that, the speed of the song's tempo is slow. Activities such as, yoga or pilates, can go well with this song. The time signature for this track is 4/4.

Rouille キー

This song is in the music key of A♭ Major. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.