Fireflies by McPepii Song Details

McPepii's ' "Fireflies" was released on its scheduled release date, September 16, 2025. With this song being around four minutes long, at 3:39, 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 Fireflies and no other songs are present in the album, we classify this track as a single. In terms of popularity, Fireflies is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

BPM and Tempo

The tempo marking of Fireflies by McPepii is Andante (at a walking pace), since this song has a tempo of 90 BPM. With that information, we can conclude that the song has a slow tempo. This song can go great with yoga or pilates. The time signature for this track is 4/4.

Music Key

This song is in the music key of E♭ Major. This also means that 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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