UNFAIR RULE made "503" available on January 19, 2024. With this song being about 5 minutes long, at 4:38, "503" by UNFAIR RULE is fairly a long song compared to the average song length. This song does not have an "Explicit" tag, making it safe for all ages. There is only one song in ふたりでいてもひとり, so we believe that "503" is a single. In terms of popularity, 503 is currently not that popular. The overall mood can be danceable to some, especially with it's high amount of postive energy.

503 テンポ

The tempo marking of 503 by UNFAIR RULE is Moderato (at a moderate speed), since this song has a tempo of 116 テンポ. With that information, we can conclude that the song has a moderate tempo. This song can go great with walking. The time signature for this track is 4/4.

503 キー

This song has a musical key of A♭ Major. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.