Reyrzy made "Masamune" available on September 7, 2018. The duration of Masamune is about two minutes long, specifically at 2:18. This song does not appear to have any foul language. Masamune's duration is considered a little bit shorter than the average duration of a typical track. Because this song is the only song in Masamune and no other songs are present in the album, we classify this track as a single. In terms of popularity, Masamune is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Masamune テンポ

We consider the tempo marking of Masamune by Reyrzy to be Andante (at a walking pace) because the track has a tempo of 94 テンポ, a half-time of 47テンポ, and a double-time of 188 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.

Masamune キー

This song has a musical key of F♯ Major. This also means that this song has a camelot key of 2B. So, the perfect camelot match for 2B would be either 2B or 3A. While, 3B can give you a low energy boost. For moderate energy boost, you would use 11B and a high energy boost can either be 4B or 9B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 2A or 1B will give you a low energy drop, 5B would be a moderate one, and 12B or 7B would be a high energy drop. Lastly, 11A allows you to change the mood.