TimeFeveR, MIllO, Gist, 차진혁, 최은서, 귀소년's ' "이열치열" was released on its scheduled release date, February 21, 2020. 이열치열 is explicit and may not be suitable for children. With the duration being about 3:53, this song is close to the average duration of a typical track. The track order of this song in UNDERCLOUD's "GOODBYE UNDERCLOUD" album is number 1 out of 2. 이열치열 is not that popular right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

이열치열 テンポ

We consider the tempo marking of 이열치열 by TimeFeveR, MIllO, Gist, 차진혁, 최은서, 귀소년 to be Andante (at a walking pace) because the track has a tempo of 79 テンポ, a half-time of 40テンポ, and a double-time of 158 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.

이열치열 キー

This song has a musical key of D Major. This also means that this song has a camelot key of 10B. So, the perfect camelot match for 10B would be either 10B or 11A. While, 11B can give you a low energy boost. For moderate energy boost, you would use 7B and a high energy boost can either be 12B or 5B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 10A or 9B will give you a low energy drop, 1B would be a moderate one, and 8B or 3B would be a high energy drop. Lastly, 7A allows you to change the mood.