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Tempo(?)
Tempo of the track in beats per minute. If the track has multiple BPM's this won't be reflected as only one BPM figure will show.
140 BPM
Key(?)
Key of the track. Useful if you are trying to find songs this will work well with for DJing, singing a cover or trying to find the notes which make up the song.
A# min
Loudness(?)
Average loudness of the track in decibels (dB). Values typically are between -60 and 0 decibels. Tracks are rarely above -4 db and usually are around -4 to -9 db.
-18.16db
Time signature(?)
How many beats there are per measure/bar.
3/4

Popularity
A measure on how popular the track is on Spotify. This metric is calculated mostly on how many plays have been recently, so a very popular song from the past will have a lower popularity score than a recent track with many plays. If you click on the 11% underlined to the right, it will take you to Musicstax Metrics which tracks popularity over time.
Energy
A measure on how intense a track sounds, through measuring the dynamic range, loudness, timbre, onset rate and general entropy. 0% indicates low energy, 100% indicates high energy.
36%
Danceability
A measure on how suitable a track could be for dancing to, through measuring tempo, rhythm, stability, beat strength and overall regularity. Tracks near 0% are least danceable, whereas tracks near 100% are more suited for dancing to.
34%
Positiveness
A measure how positive, happy or cheerful track is. Values near 0% suggest a sad or angry track, where values near 100% suggest a happy and cheerful track.
29%
Speechiness
A measure on the presence of spoken words. Values below 33% suggest it is just music, values between 33% and 66% suggest both music and speech (such as rap), values above 66% suggest there is only spoken word (such as a podcast).
4%
Liveness
A measure on how likely it is the track has been recorded in front of a live audience instead of in a studio. This is measured by detecting the presence of an audience in the track. Values over 80% suggest that the track was most definitely performed in front of a live audience.
28%
Acousticness
A measure on how likely the track is acoustic. The higher the number, the more likely it is there is no electronic instruments and that the instruments in the track are created through acoustic instruments.
67%
Instrumentalness
A measure on how likely the track does not contain any vocals. Values over 50% indicate an instrumental track, values near 0% indicate there are lyrics.
95%




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Act IV: Building is a song by Philip Glass Ensemble, released on 1993-09-28. It is track number 3 in the album Glass: Einstein on the Beach. Act IV: Building has a BPM/tempo of 140 beats per minute, is in the key of A# min and has a duration of 10 minutes, 20 seconds.

Act IV: Building is fairly popular on Spotify. It is beginning to gain traction, being rated between 10-30% popularity on Spotify. It is likely that the track is on the verge of getting onto Spotify owned playlists, is fairly energetic and is somewhat easy to dance to.

Act IV: Building info

Name
Act IV: Building
Release Date
28th September 1993
ISRC
US65R1363015
Key
A# min
Tempo
140
Loudness (db)
-18.16db
Time signature
3/4
Length
10:20
Song Number
3 of 20
Explicit
No