wOne made "Happy day,Happy smile" available on January 21, 2000. Happy day,Happy smile is about six minutes long, preciously at 5:45, making this song fairly long compared to other songs. There is only one song in 5m四方の世界, so we believe that "Happy day,Happy smile" is a single. Based on our statistics, Happy day,Happy smile's popularity is below average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.
The tempo marking of Happy day,Happy smile by wOne is Allegro (fast, quick, and bright), since this song has a tempo of 122 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 4/4.
The music key of this track is D Minor. Because this track belongs in the D Minor key, the camelot key is 7A. So, the perfect camelot match for 7A would be either 7A or 6B. While, a low energy boost can consist of either 7B or 8A. For moderate energy boost, you would use 4A and a high energy boost can either be 9A or 2A. However, if you are looking for a low energy drop, finding a song with a camelot key of 6A would be a great choice. Where 10A would give you a moderate drop, and 5A or 12A would be a high energy drop. Lastly, 10B allows you to change the mood.