Toby Fox, Triforce Quartet's 'Undertale Boss Medley: Once Upon a Time / Bonetrousle / Spear of Justice / Megalovania / ASGORE (From “Undertale”)' came out on October 24, 2019. Since Undertale Boss Medley: Once Upon a Time / Bonetrousle / Spear of Justice / Megalovania / ASGORE (From “Undertale”) is still less than 10 minute long, it is still considered a pretty long duration song compared to the average song length. This song does not appear to be explicit due to the lack of the "E" tag. The track order of this song in Triforce Quartet's "Minuet of Time" album is number 8 out of 11. In terms of popularity, Undertale Boss Medley: Once Upon a Time / Bonetrousle / Spear of Justice / Megalovania / ASGORE (From “Undertale”) 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.

Undertale Boss Medley: Once Upon a Time / Bonetrousle / Spear of Justice / Megalovania / ASGORE (From “Undertale”) テンポ

We consider the tempo marking of Undertale Boss Medley: Once Upon a Time / Bonetrousle / Spear of Justice / Megalovania / ASGORE (From “Undertale”) by Toby Fox, Triforce Quartet to be Moderato (at a moderate speed) because the track has a tempo of 115 テンポ, a half-time of 58テンポ, and a double-time of 230 テンポ. Based on that, the speed of the song's tempo is moderate. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

Undertale Boss Medley: Once Upon a Time / Bonetrousle / Spear of Justice / Megalovania / ASGORE (From “Undertale”) キー

This song has a musical key of F Major. This also means that this song has a camelot key of 7B. So, the perfect camelot match for 7B would be either 7B or 8A. While, 8B can give you a low energy boost. For moderate energy boost, you would use 4B and a high energy boost can either be 9B or 2B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 7A or 6B will give you a low energy drop, 10B would be a moderate one, and 5B or 12B would be a high energy drop. Lastly, 4A allows you to change the mood.