Black Sabbath · Vol 4
Supernaut
Supernaut is in F sharp minor at 120.6 beats per minute.
Tempo
121 BPM · Allegromedian of 157 analyses · 120.4–120.7 across the middle eight tenths- Key
- F♯ minor3 sharps · the key most of the analyses agreed on
- Agreement
- 68%share of analyses that agreed
- Analyses
- 157people who ran the extractor
- One beat
- 497.5milliseconds, 60,000 ÷ BPM
- Tuning
- 447.4Hz · +29 cents from A 440
- Dynamics
- 4.23dB the level wanders from its average
- Loudness
- 0.79Essentia's 0–1 scale, not dB
- Danceability
- 1.051Essentia's danceability, 0–3
Source: AcousticBrainz, dump of 2022-06-23 (CC0) · MusicBrainz core data, 2026-09-17 (CC0) · how each number is measured. Measured up to 23.06.2022 — AcousticBrainz stopped collecting in 2022, so nothing released after that date is here.
What the numbers say
157 independent analyses of this recording were submitted to AcousticBrainz. A bare majority of them — 68% — put it in F sharp minor, a key signature of 3 sharps. The tempo printed above is the median of the 157 readings; 97% of them land within 2% of it, and they barely differ at all.
At 120.6 BPM one beat lasts 497.5 milliseconds, so a sixteenth note is 124.4 ms and a dotted eighth 373.1 ms — the delay times for this recording. Counted half as fast it is 60.3 BPM, counted twice as fast 241.2. A score would mark that Allegro, by the ranges this site uses.
The analyses put the reference pitch of the recording at 447.4 Hz, which is 29 cents above concert A at 440 Hz — the sort of drift a tape machine or a slightly different mastering leaves behind. That is a fact about this transfer of the music, not about how it was played.
The dynamic complexity of the recording measures 4.23 dB: that is how far the level wanders from its own average, so a small number means a loud, flat master and a large one means a recording that still breathes. Its average loudness is 0.79 on Essentia's 0-to-1 scale, which is not decibels and is not comparable to a streaming service's number.
10 other recordings here are in F sharp minor; the ones listed below are the closest in tempo.
Beats per bar are not in this dataset. AcousticBrainz's analysis reports a tempo, a key and a loudness, and no time signature at all, so this page does not print one — a 4/4 here would be a guess dressed as a measurement.
Keys that fit with F♯ minor
Each of these differs from F♯ minor by at most one accidental, or shares its tonic. That is the whole of what a mixing wheel encodes; here the relations are named instead of numbered.
Delay times at 121 BPM
| Note value | Beats | Milliseconds | Hertz |
|---|---|---|---|
| Whole note | 4 | 1990 | 0.5 |
| Half note | 2 | 995 | 1 |
| Dotted quarter | 1.5 | 746.3 | 1.34 |
| Quarter note (one beat) | 1 | 497.5 | 2.01 |
| Quarter triplet | 0.667 | 331.7 | 3.01 |
| Dotted eighth | 0.75 | 373.1 | 2.68 |
| Eighth note | 0.5 | 248.8 | 4.02 |
| Eighth triplet | 0.333 | 165.8 | 6.03 |
| Dotted sixteenth | 0.375 | 186.6 | 5.36 |
| Sixteenth note | 0.25 | 124.4 | 8.04 |
| Sixteenth triplet | 0.167 | 82.9 | 12.06 |
| Thirty-second note | 0.125 | 62.2 | 16.08 |
Half time 60.3 BPM · double time 241.2 BPM. Every row is one beat (497.5 ms) times the fraction in the second column.
Closest in key and tempo
- Love to Hate YouErasureF♯ minor120BPM
- Blasphemous RumoursDepeche ModeF♯ minor120BPM
- Good StuffThe B‐52sF♯ minor120BPM
- Video GamesLana Del ReyF♯ minor123BPM
- Beautiful StrangerMadonnaF♯ minor123BPM
- Don’t Stop the MusicRihannaF♯ minor123BPM
- Gimme ShelterThe Rolling StonesF♯ minor118BPM
- The SuburbsArcade FireF♯ minor118BPM
- AmirveltScannerF♯ minor123BPM
- Beat Goes OnMadonna feat. Kanye WestF♯ minor118BPM
Recordings in F sharp minor, ordered by how near their tempo is to 121 BPM. A calculation, not a recommendation.
All songs in F sharp minorAll songs at 121 BPMF♯ minor at 120–129 BPMBlack Sabbath
MusicBrainz collapses 24 recording ids into this one. Recording id 57ccd273-74f1-4889-8f0a-3ac32e8ce3d6.