Foo Fighters · Wasting Light
A Matter of Time
A Matter of Time is in A major at 86.7 beats per minute.
Tempo
87 BPM · Andantemedian of 149 analyses · 86.7–172.3 across the middle eight tenths- Key
- A major3 sharps · the key most of the analyses agreed on
- Agreement
- 97%share of analyses that agreed
- Analyses
- 149people who ran the extractor
- One beat
- 692milliseconds, 60,000 ÷ BPM
- Tuning
- 437.5Hz · -10 cents from A 440
- Dynamics
- 2.53dB the level wanders from its average
- Loudness
- 0.901Essentia's 0–1 scale, not dB
- Danceability
- 1.184Essentia'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
149 independent analyses of this recording were submitted to AcousticBrainz. All but a handful of them — 97% — put it in A major, a key signature of 3 sharps. The tempo printed above is the median of the 149 readings; 87% of them land within 2% of it, and the middle eight tenths of them run from 86.7 to 172.3 BPM.
At 86.7 BPM one beat lasts 692 milliseconds, so a sixteenth note is 173 ms and a dotted eighth 519 ms — the delay times for this recording. Counted half as fast it is 43.4 BPM, counted twice as fast 173.4. A score would mark that Andante, by the ranges this site uses.
The analyses put the reference pitch of the recording at 437.5 Hz, which is 10 cents below 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 2.53 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 0.901 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 A major; 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 A major
Each of these differs from A major 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 87 BPM
| Note value | Beats | Milliseconds | Hertz |
|---|---|---|---|
| Whole note | 4 | 2768.2 | 0.36 |
| Half note | 2 | 1384.1 | 0.72 |
| Dotted quarter | 1.5 | 1038.1 | 0.96 |
| Quarter note (one beat) | 1 | 692 | 1.45 |
| Quarter triplet | 0.667 | 461.4 | 2.17 |
| Dotted eighth | 0.75 | 519 | 1.93 |
| Eighth note | 0.5 | 346 | 2.89 |
| Eighth triplet | 0.333 | 230.7 | 4.34 |
| Dotted sixteenth | 0.375 | 259.5 | 3.85 |
| Sixteenth note | 0.25 | 173 | 5.78 |
| Sixteenth triplet | 0.167 | 115.3 | 8.67 |
| Thirty-second note | 0.125 | 86.5 | 11.56 |
Half time 43.4 BPM · double time 173.4 BPM. Every row is one beat (692 ms) times the fraction in the second column.
Closest in key and tempo
- Year of tha BoomerangRage Against the MachineA major87BPM
- Neon BibleArcade FireA major87BPM
- Roll RightRage Against the MachineA major87BPM
- Izzo (H.O.V.A.)Jay‐ZA major87BPM
- Sleep Like a Baby TonightU2A major86BPM
- Heat50 CentA major86BPM
- A DreamJay‐Z feat. Faith Evans & Notorious B.I.G.A major86BPM
- Love Is Stronger Than PrideSadeA major88BPM
- Black SunDeath Cab for CutieA major88BPM
- She Looks to MeRed Hot Chili PeppersA major88BPM
Recordings in A major, ordered by how near their tempo is to 87 BPM. A calculation, not a recommendation.
All songs in A majorAll songs at 87 BPMA major at 80–89 BPMFoo Fighters
MusicBrainz collapses 7 recording ids into this one. Recording id 7fcc0602-a9fb-4c90-8fb5-a660e33e8421.