Calm's 'Sunday Sun' came out on May 24, 2017. Since Sunday Sun is still less than 10 minute long, it is still considered a pretty long duration song compared to the average song length. This song does not appear to be explicit due to the lack of the "E" tag. There is only one song in 20 Years Citrus Mellowdies, so we believe that "Sunday Sun" is a single. In terms of popularity, Sunday Sun is currently not that popular. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Sunday Sun テンポ

The tempo marking of Sunday Sun by Calm is Andante (at a walking pace), since this song has a tempo of 90 テンポ. With that information, we can conclude that the song has a slow tempo. This song can go great with yoga or pilates. The time signature for this track is 4/4.

Sunday Sun キー

C Major is the music key of this track. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.