Bruno Mars · Doo-Wops & Hooligans

Our First Time

Our First Time is in A minor at 155.8 beats per minute.

4080120160200

Tempo

156 BPM · Allegromedian of 142 analyses · 83–155.9 across the middle eight tenths
Key
A minorno sharps and no flats · the key most of the analyses agreed on
Agreement
85%share of analyses that agreed
Analyses
142people who ran the extractor
One beat
385.1milliseconds, 60,000 ÷ BPM
Tuning
437.7Hz · -9 cents from A 440
Dynamics
5.01dB the level wanders from its average
Loudness
0.796Essentia's 0–1 scale, not dB
Danceability
1.263Essentia'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

142 independent analyses of this recording were submitted to AcousticBrainz. Most of them — 85% — put it in A minor, a key signature of no sharps and no flats. The tempo printed above is the median of the 142 readings; 85% of them land within 2% of it, and the middle eight tenths of them run from 83 to 155.9 BPM.

At 155.8 BPM one beat lasts 385.1 milliseconds, so a sixteenth note is 96.3 ms and a dotted eighth 288.8 ms — the delay times for this recording. Counted half as fast it is 77.9 BPM, counted twice as fast 311.6. A score would mark that Allegro, by the ranges this site uses.

The analyses put the reference pitch of the recording at 437.7 Hz, which is 9 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 5.01 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 0.796 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 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 A minor

Each of these differs from A 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 156 BPM

Note valueBeatsMillisecondsHertz
Whole note41540.40.65
Half note2770.21.3
Dotted quarter1.5577.71.73
Quarter note (one beat)1385.12.6
Quarter triplet0.667256.73.9
Dotted eighth0.75288.83.46
Eighth note0.5192.65.19
Eighth triplet0.333128.47.79
Dotted sixteenth0.375144.46.92
Sixteenth note0.2596.310.39
Sixteenth triplet0.16764.215.58
Thirty-second note0.12548.120.77

Half time 77.9 BPM · double time 311.6 BPM. Every row is one beat (385.1 ms) times the fraction in the second column.

Closest in key and tempo

  1. Tiny Little RobotsCage the ElephantA minor156BPM
  2. PromisesThriceA minor156BPM
  3. Can’t Keep It InCat StevensA minor156BPM
  4. Hey HeyEric ClaptonA minor156BPM
  5. SaraBob DylanA minor156BPM
  6. Ain’t No SunshineBill WithersA minor155BPM
  7. Wooden ShipsCrosby, Stills & NashA minor155BPM
  8. Those ShoesEaglesA minor155BPM
  9. So Much Trouble in the WorldBob Marley & The WailersA minor155BPM
  10. Caribbean BlueEnyaA minor156BPM

Recordings in A minor, ordered by how near their tempo is to 156 BPM. A calculation, not a recommendation.

All songs in A minorAll songs at 156 BPMA minor at 150–159 BPMBruno Mars

MusicBrainz collapses 2 recording ids into this one. Recording id be1ba17e-ff3b-4749-8943-3542e8daa440.