Evolution Over Time
How Le Rug’s fingerprint changed across 32 albums — from Albert Liberto — SoundCloud Instrumentals to True Crime.
Density Over the Catalog

Album-by-Album Overview
| Album | Tracks | Duration | Avg Density | Avg Tempo | Ambig %1 | Top Keys |
|---|---|---|---|---|---|---|
| Albert Liberto — SoundCloud Instrumentals | 45 | 160.4m | 7.0 n/s | 198 BPM | 58.0% | d minor, D major, C major |
| America | 4 | 6.8m | 4.8 n/s | 196 BPM | 75.8% | D major, C major, g# minor |
| Anyone But Hindenburg | 13 | 42.7m | 9.1 n/s | 201 BPM | 46.5% | C major, F major, e- minor |
| Big Bird at Nuremburg EP | 7 | 24.9m | 6.8 n/s | 199 BPM | 63.7% | a minor, F major, G major |
| Bleenex (2007) | 13 | 38.5m | 8.0 n/s | 202 BPM | 47.9% | G major, E- major, C major |
| Butter the Children EP | 4 | 8.6m | 6.7 n/s | 203 BPM | 66.1% | D major, E major |
| Butter the Children — Recovered | 15 | 36.0m | 8.0 n/s | 196 BPM | 53.7% | C major, E major, G major |
| C.R.E.E.P. | 13 | 34.5m | 7.2 n/s | 200 BPM | 46.3% | B major, E major, F major |
| Cut Off Your Dick And Turn Into Slime | 4 | 9.6m | 6.4 n/s | 194 BPM | 64.7% | D major, d minor, G major |
| Dead In A Hole EP | 7 | 18.5m | 8.8 n/s | 205 BPM | 51.0% | A major, C major, e minor |
| Defenestrator | 2 | 24.4m | 2.8 n/s | 155 BPM | 81.5% | f minor, G major |
| Defenestrator - bozo | 3 | 15.9m | 4.9 n/s | 176 BPM | 60.2% | B major, g minor |
| Defenestrator — Recovered | 5 | 40.3m | 4.0 n/s | 168 BPM | 69.7% | B major, f minor, g minor |
| Don’t Wait | 9 | 34.5m | 11.0 n/s | 208 BPM | 27.4% | D major, a minor, G major |
| Ersatz EP | 5 | 14.4m | 8.6 n/s | 207 BPM | 53.2% | C major, E major, G major |
| Flabby Wings | 18 | 64.8m | 8.9 n/s | 203 BPM | 47.3% | C major, A- major, B- major |
| Game Over | 11 | 27.1m | 5.7 n/s | 182 BPM | 55.6% | D major, a minor, G major |
| Goodnight | 1 | 3.6m | 6.1 n/s | 208 BPM | 57.8% | F major |
| Le Rug — Recovered | 78 | 222.9m | 5.0 n/s | 186 BPM | 62.3% | C major, A major, G major |
| Living Serious - I Can Fight This Feeling | 7 | 14.7m | 5.7 n/s | 192 BPM | 73.8% | D major, C major, E major |
| Living Serious — Recovered | 7 | 14.7m | 5.7 n/s | 192 BPM | 73.8% | D major, C major, E major |
| Nuke Whales | 44 | 29.8m | 6.1 n/s | 199 BPM | 63.2% | C major, a minor, G major |
| Party Rock | 6 | 11.5m | 4.8 n/s | 193 BPM | 72.8% | b minor, G major, E major |
| Party With Peter Burns | 3 | 7.1m | 7.9 n/s | 204 BPM | 58.3% | e minor, C major |
| Ray Weiss — Solo Recovered | 25 | 89.7m | 8.3 n/s | 202 BPM | 50.7% | C major, F major, a minor |
| Sex Reduction Flower | 12 | 26.0m | 6.0 n/s | 190 BPM | 73.3% | C major, e minor, g minor |
| She Said | 10 | 41.9m | 10.0 n/s | 207 BPM | 33.7% | G major, C major, e minor |
| Sticky Buns | 3 | 7.1m | 3.4 n/s | 179 BPM | 73.7% | D major, e- minor, f# minor |
| Swelling (My Own Worst Anime) | 11 | 26.5m | 6.6 n/s | 200 BPM | 70.6% | e minor, E major, D major |
| Tell Your Parents You Want Ballz This Christmas | 22 | 49.3m | 5.8 n/s | 197 BPM | 75.4% | D major, e minor, E major |
| The Why Because | 11 | 47.2m | 10.3 n/s | 205 BPM | 28.9% | C major, G major, a minor |
| True Crime | 12 | 27.8m | 9.2 n/s | 206 BPM | 52.2% | C major, G major, b minor |
Harmonic Ambiguity Rate by Album
Ambiguity rate counts chord events where the MIDI transcriber could not detect a clear third — a mix of real root+5th voicings, “The Standard” (root+5th+9th) shape, and distortion-masked triads. See Chord Vocabulary.

Tempo Across Albums

Chord Type Breakdown by Album

What Changed
Density
Densest album: Don’t Wait at 11.0 n/s — Sparsest album: Defenestrator at 2.8 n/s. That’s a 8.2 n/s spread across the catalog, a significant range that suggests real stylistic evolution.
Tempo
Fastest album: Don’t Wait at 208 BPM — Slowest album: Defenestrator at 155 BPM. A 53 BPM spread — enough to feel like a different energy level.
Harmonic Ambiguity Trend
Harmonic ambiguity rate trends upward over the catalog — from 58.0% (Albert Liberto — SoundCloud Instrumentals) to 52.2% (True Crime). More of the later chord events register as root+5th with no detectable third — consistent with a heavier, more distorted sound.
Outliers
These albums diverge significantly from the catalog average:
- America — sparser than average (4.8 vs 6.9 n/s)
- Anyone But Hindenburg — denser than average (9.1 vs 6.9 n/s)
- Defenestrator — sparser than average (2.8 vs 6.9 n/s); slower than average (155 vs 195 BPM)
- Defenestrator - bozo — sparser than average (4.9 vs 6.9 n/s); slower than average (176 vs 195 BPM)
- Defenestrator — Recovered — sparser than average (4.0 vs 6.9 n/s); slower than average (168 vs 195 BPM)
- Don’t Wait — denser than average (11.0 vs 6.9 n/s); faster than average (208 vs 195 BPM)
- Flabby Wings — denser than average (8.9 vs 6.9 n/s)
- Game Over — slower than average (182 vs 195 BPM)
- Goodnight — faster than average (208 vs 195 BPM)
- Party Rock — sparser than average (4.8 vs 6.9 n/s)
- She Said — denser than average (10.0 vs 6.9 n/s)
- Sticky Buns — sparser than average (3.4 vs 6.9 n/s); slower than average (179 vs 195 BPM)
- The Why Because — denser than average (10.3 vs 6.9 n/s)
- True Crime — denser than average (9.2 vs 6.9 n/s)
Evolution analysis generated by CatalogDNA from 430 tracks across 32 albums.
Footnotes
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“Harmonic ambiguity rate” measures the percentage of detected chord events where the MIDI transcriber could not resolve a clear third — closely correlated with the power chord idiom but not literally a count of intentional power chord voicings. See Chord Vocabulary for details. ↩