Waltz in A Minor, B. 150, Op. Posth
Classical Helios Station
Echo Sonata
2:40 August 8, 2025
BPM
131
Key
A Minor
Camelot
8A

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Waltz in A Minor, B. 150, Op. Posth by Classical Helios Station Song Details

Classical Helios Station's 'Waltz in A Minor, B. 150, Op. Posth' had a release date set for August 8, 2025. The duration of This song is about two minutes long, specifically at 2:40. This song does not appear to have any foul language. Waltz in A Minor, B. 150, Op. Posth's duration is considered a little bit shorter than the average duration of a typical track. The song is number 14 out of 15 in Echo Sonata by Classical Helios Station. Based on our statistics, Waltz in A Minor, B. 150, Op. Posth's popularity is unknown right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.

BPM and Tempo

The tempo marking of Waltz in A Minor, B. 150, Op. Posth by Classical Helios Station is Allegro (fast, quick, and bright), since this song has a tempo of 131 BPM. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 1/4.

Music Key

A Minor is the music key of this track. Because this track belongs in the A Minor key, the camelot key is 8A. So, the perfect camelot match for 8A would be either 8A or 7B. While, a low energy boost can consist of either 8B or 9A. For moderate energy boost, you would use 5A and a high energy boost can either be 10A or 3A. However, if you are looking for a low energy drop, finding a song with a camelot key of 7A would be a great choice. Where 11A would give you a moderate drop, and 6A or 1A would be a high energy drop. Lastly, 11B 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!

Popularity
Loudness
-21.831 dB
Acousticness
99%
Danceability
34%
Energy
8%
Instrumentalness
94%
Liveness
15%
Loudness
64%
Speechiness
4%
Valence
20%

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ISRC
QT2WN2502340
Label
L-M Records/RCA Records