猫 シ Corp. made "・おやすみ・" available on April 15, 2014. With ・おやすみ・ being less than two minutes long, at 1:56, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. The track order of this song in 猫 シ Corp.'s "Hiraeth" album is number 22 out of 24. On top of that, Germany appears to be the country where this track was created. Based on our statistics, ・おやすみ・'s popularity is unknown right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

・おやすみ・ テンポ

We consider the tempo marking of ・おやすみ・ by 猫 シ Corp. to be Allegro (fast, quick, and bright) because the track has a tempo of 133 テンポ, a half-time of 66テンポ, and a double-time of 266 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

・おやすみ・ キー

F Major is the music key of this track. This also means that this song has a camelot key of 7B. So, the perfect camelot match for 7B would be either 7B or 8A. While, 8B can give you a low energy boost. For moderate energy boost, you would use 4B and a high energy boost can either be 9B or 2B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 7A or 6B will give you a low energy drop, 10B would be a moderate one, and 5B or 12B would be a high energy drop. Lastly, 4A allows you to change the mood.