wave to earth made "surf." available on July 13, 2020. With this song being around four minutes long, at 3:45, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. Since surf. only contains only one song in the album, we like to consider this song as a single. Furthermore, we believe that the track originated from South Korea. Based on our statistics, surf.'s popularity is not that popular right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

surf. テンポ

With surf. by wave to earth having a テンポ of 135 with a half-time of 68 テンポ and a double-time of 270 テンポ, we would consider this track to have a Allegro (fast, quick, and bright) tempo marking. Because of this, we believe that the song has an overall fast tempo. Looking at the テンポ of this song, this song might go great with walking. The time signature for this track is 4/4.

surf. キー

The music key of this track is D Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 10B. So, the perfect camelot match for 10B would be either 10B or 11A. While, 11B can give you a low energy boost. For moderate energy boost, you would use 7B and a high energy boost can either be 12B or 5B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 10A or 9B will give you a low energy drop, 1B would be a moderate one, and 8B or 3B would be a high energy drop. Lastly, 7A allows you to change the mood.