Once upon a time - Speed Up + Reverb by Xenenra Song Details

On August 25, 2025, the song "Once upon a time - Speed Up + Reverb" was released by Xenenra. With This song being less than two minutes long, at 1:37, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. There are a total of 6 in the song's album "Undertale, Vol. 1". In this album, this song's track order is #1. Based on our statistics, Once upon a time - Speed Up + Reverb's popularity is unknown right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

BPM and Tempo

With Once upon a time - Speed Up + Reverb by Xenenra having a BPM of 154 with a half-time of 77 BPM and a double-time of 308 BPM, we would consider this track to have a Allegro (fast, quick, and bright) tempo marking. Because of this, we believe that the song has an overall fast tempo. Looking at the BPM of this song, this song might go great with running. The time signature for this track is 4/4.

Music Key

The music key of this track is E♭ Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 5B. So, the perfect camelot match for 5B would be either 5B or 6A. While, 6B can give you a low energy boost. For moderate energy boost, you would use 2B and a high energy boost can either be 7B or 12B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 5A or 4B will give you a low energy drop, 8B would be a moderate one, and 3B or 10B would be a high energy drop. Lastly, 2A allows you to change the mood.

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