"Goodbye" by Koudlam was released on November 1, 2009. Goodbye is about six minutes long, preciously at 6:13, making this song fairly long compared to other songs. The track order of this song in Koudlam's "Goodbye" album is number 10 out of 12. In terms of popularity, Goodbye 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.

Goodbye テンポ

We consider the tempo marking of Goodbye by Koudlam to be Andante (at a walking pace) because the track has a tempo of 95 テンポ, a half-time of 48テンポ, and a double-time of 190 テンポ. Based on that, the speed of the song's tempo is slow. Activities such as, yoga or pilates, can go well with this song. The time signature for this track is 3/4.

Goodbye キー

This song is in the music key of D♭ Major. This also means that this song has a camelot key of 3B. So, the perfect camelot match for 3B would be either 3B or 4A. While, 4B can give you a low energy boost. For moderate energy boost, you would use 12B and a high energy boost can either be 5B or 10B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 3A or 2B will give you a low energy drop, 6B would be a moderate one, and 1B or 8B would be a high energy drop. Lastly, 12A allows you to change the mood.