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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

About Contact Methodology Privacy Terms

FD·v3.3·Build 2026-05-14·© 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

Also Sprach Zarathustra · December 11, 1999 at First Union Spectrum | Audio Analysis | Foul Domain

← BACK·TRACKS·Also Sprach Zarathustra

CHARTED · JAM

Phish track · Set 2 · #12

Also Sprach Zarathustra

A 15-minute version from First Union Spectrum in Philadelphia, PA on 1999-12-11. Charted by the community.

DATE · 1999-12-11·SHOW · First Union Spectrum·LENGTH · 15:23·DarkAmbient

83TRACK

OF 271 VERSIONS

#26

ALL-TIME · #1,274 · 96th percentile

TRACK · SCORED v3.2← LEADERBOARD

Also Sprach Zarathustra

1999-12-11·First Union Spectrum·Philadelphia, PA

1999 WINTER TOUR·Set 2·POS 11 / 1115:23

83SCORE

COMPOSITE · RANK AMONG VERSIONS

v26 of 271

#26 OF 271 · ALSO SPRACH ZARATHUSTRA CATALOG

0:0015:23

DEEP ANALYSIS · LIBROSA v3.24 OF 24

PEAK AT7:34of 15:23

DYN dB5.3tight

ONSET/s4.2open

BPM112era 1.0

How this version scoredMETHODOLOGY →

10 COMPONENTS · ONE COMPOSITEv3.3

0%306090100%

Popularity11%

44

Consensus10%

0

Jam Chart12%

100

Recognition12%

70

Energy12%

25

Groove12%

70

Harmonic9%

10

Duration9%

66

Volatility8%

8

Review5%

50

WEIGHTED · 100/100OPEN METHODOLOGY →

Charted jamPHISH.NET →

PHISH.NET JAM CHART · CURATOR NOTE

Emerges from "Ghost" and becomes a Haunted Space Halloween.

Incredibly slow pace. This groove is one for the ages.

DARKAMBIENT

From this showSet 2 · 4 SONGS

1999-12-11 · First Union Spectrum

Philadelphia, PA · 1999 WINTER TOUR · SHOW SCORE 89

89SHOW

Set 2

II-1Boogie On Reggae Woman8:28 II-2Ghost19:06 II-3Also Sprach ZarathustraYOU ARE HERE15:23 II-4Down with Disease13:30 OPEN FULL SHOW PAGE→

Other versions271 OF · SONG PAGE →

SAME SONG · RANKEDSWIPE →

09.29.99Pyramid ArenaMemphis · TN93 08.17.97Loring Commerce CentreLimestone · ME92 07.17.98Gorge AmphitheatreGeorge · WA92 02.21.20Moon PalaceCancun, Quintana Roo90 10.28.21MGM Grand Garden ArenaLas Vegas · NV90

From this show3 TOP CUTS

SHOW STAND-OUTS · 1999-12-11SWIPE →

2·9Boogie On Reggae Woman8:2886 1·7Scent of a Mule12:3486 2·11Ghost19:0682

SONG →/songs/also-sprach-zarathustra SHOW →/shows/1999-12-11-first-union-spectrum-philadelphia-pa METHOD →/methodology

FOUL DOMAIN/tracks/23904 · v3.2

FOUL DOMAIN · INDEPENDENT · NOT AFFILIATED WITH PHISH

DISPLAY· TRACK SPECTRUMINPUT · TRACK_FEATURES.WAVEFORM

0:003:517:4111:3215:23

JAM IN · —PEAK · 7:34SAMPLE RATE 44.1 kHzSOURCE PHISH.IN

DEEP AUDIO ANALYSIS· LIBROSA CURVESENERGY · TEMPO · SPECTRUM

Radar · component scores0–100 normalized

Energy-8.1 dB

Loudness8.8 dB

Dynamic range5.3 dB

Rhythmic density4.21/sec

Brightness1557 Hz

Flatness0.005

Harmonic variance0.055

Feature curves · over time0 → 15:23

EnergyLoudness envelope, dB

0:007:4115:23

Perceptual loudnessShort-term LUFS, psychoacoustically weighted

0:007:4115:23

BrightnessSpectral centroid — where the weight of the sound sits

0:007:4115:23

Rhythmic densityOnsets per second, log-scaled

0:007:4115:23

Tempo99–136 bpm · avg 114

0:007:4115:23

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

0:007:4115:23

READOUT· COMPOSITE SCORE · COMPONENT BREAKDOWN96TH PERCENTILE

Popularity11%44

Consensus10%0

Jam Chart12%100

Recognition12%70

Energy12%25

Groove12%70

Harmonic9%10

Duration9%66

Volatility8%8

Review5%50

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

INSTRUMENTATION· LIBROSA · v0.10.25 / 6 CHANNELS LIVE

LENGTH15:23standard

BPM112average

DYN dB5.3compressed

RHYTHM4.2/sbusy onset

PEAK7:34at 49%

JAM IN—auto only

PHISH.NET JAM CHART · CURATOR NOTE

DarkAmbient

Emerges from "Ghost" and becomes a Haunted Space Halloween. Incredibly slow pace. This groove is one for the ages.

CONTEXT· SETLIST · SHOW

SETLISTSet 2

II-1Boogie On Reggae Woman8:28 II-2Ghost19:06

II-3Also Sprach Zarathustra15:23

II-4Down with Disease13:30

4 TRACKSVIEW SHOW →

SHOWSHOW SCORE 89

First Union Spectrum · Philadelphia, PA1999 Winter Tour · RANKED #1274 / 36131

TOP TRACKS THIS SHOW

Boogie On Reggae WomanSET 2 #9 · 8:28

Scent of a MuleSET 1 #7 · 12:34

GhostSET 2 #11 · 19:06

1999-12-11VIEW SHOW →

RELATED· OTHER Also Sprach Zarathustra VERSIONS271 TOTAL

#SCOREVENUEWAVEFORMDATELENGTH

#0293Pyramid ArenaMemphis, TN

1999-09-2921:33 #0392Loring Commerce CentreLimestone, ME

1997-08-1722:52 #0492Gorge AmphitheatreGeorge, WA

1998-07-1724:13 #0590Moon PalaceCancun, Quintana Roo

2020-02-2112:17 #0690MGM Grand Garden ArenaLas Vegas, NV

2021-10-2816:33

Sign in to suggest correctionsTRACK ID · 23904· DATA VERSION v3.3