JR Writer's 'Grade A' came out on October 30, 2020. For a fairly short song, this song is "Grade A" is considered an explicit song with a duration of 1:52. The track order of this song in JR Writer's "I Really Rap Too" album is number 5 out of 13. In terms of popularity, Grade A is currently not that popular. Although the overall vibe is very danceable, it does project more negative sounds.

Grade A テンポ

We consider the tempo marking of Grade A by JR Writer to be Andante (at a walking pace) because the track has a tempo of 90 テンポ, a half-time of 45テンポ, and a double-time of 180 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.

Grade A キー

This song is in the music key of B♭ Major. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.