TVXQ! made "Good Days" available on March 5, 2014. Good Days is about six minutes long, preciously at 6:14, making this song fairly long compared to other songs. There are a total of 14 in the song's album "TREE". In this album, this song's track order is #7. The popularity of Good Days is currently not that popular right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

Good Days テンポ

With Good Days by TVXQ! having a テンポ of 172 with a half-time of 86 テンポ and a double-time of 344 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.

Good Days キー

This song has a musical key of B♭ Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.