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Foul Domain

A fan-built audio analysis index. Not affiliated with Phish. All audience recordings comply with Phish's official taping policy.

Catalog scope

37,025

Tracks

2,012

Shows

1983–2026

Years

4,759

Hours of audio

Score formula

v3.3· Recalibrated 2026-05-13

Data·Phish.net·Phish.in·librosa v0.10.2

Project

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FD·v3.3·Build 2026-05-15·© MMXXVI

Status · all systems nominal

Foul Domain

v3.3 · MMXXVI

Phish concert analytics, setlist data, and audio analysis across 40+ years of touring. Fan-built & not affiliated with Phish; audience recordings follow the official taping policy.

Catalog scopeUpdated live

37,025Tracks

2,012Shows

1983–26Years

4,759Hours · audio

Methodology→About→Contact→Privacy→Terms→

Data·Phish.net·Phish.in·librosa v0.10.2

▣All systems nominalFD-V7·© MMXXVI

Chalk Dust Torture · November 21, 1991 at Somerville Theatre | Audio Analysis | Foul Domain

← BACK·TRACKS·Chalk Dust Torture

LIVE · 6:32

Phish track · Set 1 · #1

Chalk Dust Torture

A 7-minute version from Somerville Theatre in Somerville, MA on 1991-11-21.

DATE · 1991-11-21·SHOW · Somerville Theatre·LENGTH · 6:32

37TRACK

OF 513 VERSIONS

#357

ALL-TIME · #29,262 · 19th percentile

TRACK · SCORED v3.2← LEADERBOARD

Chalk Dust Torture

1991-11-21·Somerville Theatre·Somerville, MA

1991 FALL TOUR·Set 1·POS 01 / 16:32

37SCORE

COMPOSITE · RANK AMONG VERSIONS

v357 of 513

#357 OF 513 · CHALK DUST TORTURE CATALOG

JAM IN · 3:25

0:006:32

DEEP ANALYSIS · LIBROSA v3.24 OF 24

PEAK AT4:54of 6:32

DYN dB11.9tight

ONSET/s3.9open

BPM89era 1.0

How this version scoredMETHODOLOGY →

10 COMPONENTS · ONE COMPOSITEv3.3

0%306090100%

Popularity11%

0

Consensus10%

0

Jam Chart12%

0

Recognition12%

0

Energy12%

100

Groove12%

11

Harmonic9%

27

Duration9%

0

Volatility8%

0

Review5%

50

WEIGHTED · 100/100OPEN METHODOLOGY →

From this showSet 1 · 12 SONGS

1991-11-21 · Somerville Theatre

Somerville, MA · 1991 FALL TOUR · SHOW SCORE 50

50SHOW

Set 1

I-1Chalk Dust TortureYOU ARE HERE6:32 I-2Bouncing Around the Room3:41 I-3Poor Heart3:07 I-4Guelah Papyrus5:56 I-5Reba11:55 I-6Foam8:30 I-7Horn3:55 I-8Split Open and Melt7:46 I-9Esther9:42 I-10Mike's Song7:32 I-11I Am Hydrogen3:05 I-12Weekapaug Groove10:28 OPEN FULL SHOW PAGE→

Other versions513 OF · SONG PAGE →

SAME SONG · RANKEDSWIPE →

07.13.14Randall's IslandNew York · NY93 07.28.17Madison Square GardenNew York · NY93 07.10.99E CentreCamden · NJ91 07.20.18Gorge AmphitheatreGeorge · WA91 12.29.17Madison Square GardenNew York · NY89

From this show3 TOP CUTS

SHOW STAND-OUTS · 1991-11-21SWIPE →

1·12Weekapaug Groove10:2884 1·9Esther9:4276 2·21The Man Who Stepped Into Yesterday1:1657

SONG →/songs/chalk-dust-torture SHOW →/shows/1991-11-21-somerville-theatre-somerville-ma METHOD →/methodology

FOUL DOMAIN/tracks/9413 · v3.2

FOUL DOMAIN · INDEPENDENT · NOT AFFILIATED WITH PHISH

DISPLAY· TRACK SPECTRUMINPUT · TRACK_FEATURES.WAVEFORM

JAM IN · 3:25

0:001:383:164:546:32

JAM IN · 3:25PEAK · 4:55SAMPLE RATE 44.1 kHzSOURCE PHISH.IN

DEEP AUDIO ANALYSIS· LIBROSA CURVESENERGY · TEMPO · SPECTRUM

Radar · component scores0–100 normalized

Energy-9.3 dB

Loudness10.4 dB

Dynamic range11.9 dB

Rhythmic density3.89/sec

Brightness1901 Hz

Flatness0.010

Harmonic variance0.065

Feature curves · over time0 → 6:32

EnergyLoudness envelope, dB

0:003:166:32

Perceptual loudnessShort-term LUFS, psychoacoustically weighted

0:003:166:32

BrightnessSpectral centroid — where the weight of the sound sits

0:003:166:32

Rhythmic densityOnsets per second, log-scaled

0:003:166:32

Tempo89–172 bpm · avg 99

0:003:166:32

Spectral flatnessTonal → noisy. Low = pitched; high = wash

0:003:166:32

READOUT· COMPOSITE SCORE · COMPONENT BREAKDOWN19TH PERCENTILE

Popularity11%0

Consensus10%0

Jam Chart12%0

Recognition12%0

Energy12%100

Groove12%11

Harmonic9%27

Duration9%0

Volatility8%0

Review5%50

SCORE FORMULA · v3.3 · RECALIBRATED 2026-05-13OPEN METHODOLOGY →

INSTRUMENTATION· LIBROSA · v0.10.26 / 6 CHANNELS LIVE

LENGTH6:32standard

BPM89average

DYN dB11.9mid range

RHYTHM3.9/smoderate

PEAK4:55at 75%

JAM IN3:25manual tag

CONTEXT· SETLIST · SHOW

SETLISTSet 1

I-1Chalk Dust Torture6:32

I-2Bouncing Around the Room3:41 I-3Poor Heart3:07 I-4Guelah Papyrus5:56 I-5Reba11:55 I-6Foam8:30 I-7Horn3:55 I-8Split Open and Melt7:46 I-9Esther9:42 I-10Mike's Song7:32 I-11I Am Hydrogen3:05 I-12Weekapaug Groove10:28

12 TRACKSVIEW SHOW →

SHOWSHOW SCORE 50

Somerville Theatre · Somerville, MA1991 Fall Tour · RANKED #29262 / 36131

TOP TRACKS THIS SHOW

Weekapaug GrooveSET 1 #12 · 10:28

EstherSET 1 #9 · 9:42

The Man Who Stepped Into YesterdaySET 2 #21 · 1:16

1991-11-21VIEW SHOW →

RELATED· OTHER Chalk Dust Torture VERSIONS513 TOTAL

#SCOREVENUEWAVEFORMDATELENGTH

#0293Randall's IslandNew York, NY

2014-07-1327:57 #0393Madison Square GardenNew York, NY

2017-07-2824:21 #0491E CentreCamden, NJ

1999-07-1014:19 #0591Gorge AmphitheatreGeorge, WA

2018-07-2023:53 #0689Madison Square GardenNew York, NY

2017-12-2921:02

Sign in to suggest correctionsTRACK ID · 9413· DATA VERSION v3.3