S3RL, Krystal made "R4v3 B0y (feat. Krystal)" available on March 4, 2015. The duration of R4v3 B0y (feat. Krystal) is about two minutes long, specifically at 2:59. This song does not appear to have any foul language. R4v3 B0y (feat. Krystal)'s duration is considered a little bit shorter than the average duration of a typical track. Since R4v3 B0y (feat. Krystal) only contains only one song in the album, we like to consider this song as a single. The popularity of R4v3 B0y (feat. Krystal) is currently average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

R4v3 B0y (feat. Krystal) テンポ

With R4v3 B0y (feat. Krystal) by S3RL, Krystal having a テンポ of 175 with a half-time of 88 テンポ and a double-time of 350 テンポ, we would consider this track to have a Vivace (lively and fast) tempo marking. Because of this, we believe that the song has an overall fast tempo. The time signature for this track is 4/4.

R4v3 B0y (feat. Krystal) キー

This song has a musical key of F♯ Minor. Or for those who are familiar with the camelot wheel, this song has a camelot key of 11A. So, the perfect camelot match for 11A would be either 11A or 10B. While, a low energy boost can consist of either 11B or 12A. For moderate energy boost, you would use 8A and a high energy boost can either be 1A or 6A. However, if you are looking for a low energy drop, finding a song with a camelot key of 10A would be a great choice. Where 2A would give you a moderate drop, and 9A or 4A would be a high energy drop. Lastly, 2B allows you to change the mood.