The Beatles · Abbey Road

Mean Mr. Mustard

Mean Mr. Mustard is in E minor at 100.2 beats per minute.

4080120160200

Tempo

100 BPM · Andantemedian of 273 analyses · 100.1–100.6 across the middle eight tenths
Key
E minor1 sharp · the key most of the analyses agreed on
Agreement
71%share of analyses that agreed
Analyses
273people who ran the extractor
One beat
598.8milliseconds, 60,000 ÷ BPM
Tuning
435.2Hz · -19 cents from A 440
Dynamics
2.38dB the level wanders from its average
Loudness
0.945Essentia's 0–1 scale, not dB
Danceability
1.269Essentia'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

273 independent analyses of this recording were submitted to AcousticBrainz. A bare majority of them — 71% — put it in E minor, a key signature of 1 sharp. The tempo printed above is the median of the 273 readings; 96% of them land within 2% of it, and they barely differ at all.

At 100.2 BPM one beat lasts 598.8 milliseconds, so a sixteenth note is 149.7 ms and a dotted eighth 449.1 ms — the delay times for this recording. Counted half as fast it is 50.1 BPM, counted twice as fast 200.4. A score would mark that Andante, by the ranges this site uses.

The analyses put the reference pitch of the recording at 435.2 Hz, which is 19 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 2.38 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 0.945 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 E 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 E minor

Each of these differs from E 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 100 BPM

Note valueBeatsMillisecondsHertz
Whole note42395.20.42
Half note21197.60.84
Dotted quarter1.5898.21.11
Quarter note (one beat)1598.81.67
Quarter triplet0.667399.22.51
Dotted eighth0.75449.12.23
Eighth note0.5299.43.34
Eighth triplet0.333199.65.01
Dotted sixteenth0.375224.64.45
Sixteenth note0.25149.76.68
Sixteenth triplet0.16799.810.02
Thirty-second note0.12574.913.36

Half time 50.1 BPM · double time 200.4 BPM. Every row is one beat (598.8 ms) times the fraction in the second column.

Closest in key and tempo

  1. Keep TalkingPink FloydE minor100BPM
  2. Take Me to the RiverTalking HeadsE minor100BPM
  3. Drumming SongFlorence + the MachineE minor100BPM
  4. ParabolaToolE minor101BPM
  5. FeelsCalvin Harris feat. Pharrell Williams, Katy Perry & Big SeanE minor101BPM
  6. The Razors EdgeAC/DCE minor101BPM
  7. Road Trippin’Red Hot Chili PeppersE minor101BPM
  8. Mother’s Little HelperThe Rolling StonesE minor101BPM
  9. Fell on Black DaysSoundgardenE minor101BPM
  10. Toys in the AtticAerosmithE minor99BPM

Recordings in E minor, ordered by how near their tempo is to 100 BPM. A calculation, not a recommendation.

All songs in E minorAll songs at 100 BPME minor at 100–109 BPMThe Beatles

MusicBrainz collapses 32 recording ids into this one. Recording id 99c004fb-ba87-41be-afd4-e0157b40516a.