Ethereal Echoes by Retro Grade, Lofi Sleep Chill & Study, Sleepy Lofi Song Details

Retro Grade, Lofi Sleep Chill & Study, Sleepy Lofi's ' "Ethereal Echoes" was released on its scheduled release date, November 14, 2025. The duration of This song is about two minutes long, specifically at 2:52. This song does not appear to have any foul language. Ethereal Echoes's duration is considered a little bit shorter than the average duration of a typical track. The track order of this song in Retro Grade's "Moonlit Echoes: Retro Synth Lullabies" album is number 5 out of 25. Based on our statistics, Ethereal Echoes's popularity is unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

BPM and Tempo

We consider the tempo marking of Ethereal Echoes by Retro Grade, Lofi Sleep Chill & Study, Sleepy Lofi to be Allegro (fast, quick, and bright) because the track has a tempo of 142 BPM, a half-time of 71BPM, and a double-time of 284 BPM. Based on that, the speed of the song's tempo is fast. Activities such as, jogging or cycling, can go well with this song. The time signature for this track is 4/4.

Music Key

This song has a musical 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.

Want to find the BPM and music key for other songs? Check out our BPM and Key Finder page!