Monsta X made "Lonely Christmas" available on December 18, 2017. With this song being around four minutes long, at 3:37, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. Because this song is the only song in Lonely Christmas and no other songs are present in the album, we classify this track as a single. Lonely Christmas is below average in popularity right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

Lonely Christmas テンポ

We consider the tempo marking of Lonely Christmas by Monsta X to be Andante (at a walking pace) because the track has a tempo of 89 テンポ, a half-time of 44テンポ, and a double-time of 178 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 4/4.

Lonely Christmas キー

This song is in the music 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.