On November 17, 2018, the song "Ruthless" was released by Marvin. Ruthless is explicit and may not be suitable for children. With the duration being about 3:53, this song is close to the average duration of a typical track. Since Ruthless only contains only one song in the album, we like to consider this song as a single. Ruthless is average in popularity right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

Ruthless テンポ

With Ruthless by Marvin having a テンポ of 86 with a half-time of 43 テンポ and a double-time of 172 テンポ, we would consider this track to have a Andante (at a walking pace) tempo marking. Because of this, we believe that the song has an overall slow tempo. Looking at the テンポ of this song, this song might go great with yoga or pilates. The time signature for this track is 4/4.

Ruthless キー

This song is in the music key of F Major. Or for those who are familiar with the camelot wheel, 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.