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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 2026-05-15·© 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

I Am Hydrogen · February 21, 1991 at Trax | Audio Analysis | Foul Domain

← BACK·TRACKS·I Am Hydrogen

LIVE · 2:46

Phish track · Set 1 · #10

I Am Hydrogen

A 3-minute version from Trax in Charlottesville, VA on 1991-02-21.

DATE · 1991-02-21·SHOW · Trax·LENGTH · 2:46

55TRACK

OF 317 VERSIONS

#50

ALL-TIME · #9,590 · 73rd percentile

TRACK · SCORED v3.2← LEADERBOARD

I Am Hydrogen

1991-02-21·Trax·Charlottesville, VA

1991 WINTER/SPRING TOUR·Set 1·POS 10 / 102:46

55SCORE

COMPOSITE · RANK AMONG VERSIONS

v50 of 317

#50 OF 317 · I AM HYDROGEN CATALOG

0:002:46

DEEP ANALYSIS · LIBROSA v3.24 OF 24

PEAK AT2:34of 2:46

DYN dB10.0tight

ONSET/s4.1open

BPM96era 1.0

How this version scoredMETHODOLOGY →

10 COMPONENTS · ONE COMPOSITEv3.3

0%306090100%

Popularity11%

0

Consensus10%

0

Jam Chart12%

0

Recognition12%

0

Energy12%

66

Groove12%

67

Harmonic9%

19

Duration9%

0

Volatility8%

100

Review5%

50

WEIGHTED · 100/100OPEN METHODOLOGY →

From this showSet 1 · 11 SONGS

1991-02-21 · Trax

Charlottesville, VA · 1991 WINTER/SPRING TOUR · SHOW SCORE 18

18SHOW

Set 1

I-1Reba11:57 I-2Dinner and a Movie3:49 I-3Ya Mar7:07 I-4Split Open and Melt8:22 I-5Fee5:31 I-6Llama5:00 I-7The Lizards10:29 I-8My Sweet One2:14 I-9Mike's Song6:22 I-10I Am HydrogenYOU ARE HERE2:46 I-11Weekapaug Groove6:08 OPEN FULL SHOW PAGE→

Other versions317 OF · SONG PAGE →

SAME SONG · RANKEDSWIPE →

02.15.93Memorial Hall, University of North CarolinaChapel Hill · NC84 09.16.99Shoreline AmphitheatreMountain View · CA83 11.27.98Worcester Centrum CentreWorcester · MA79 02.18.93Electric BallroomKnoxville · TN79 02.20.93Roxy TheatreAtlanta · GA77

From this show3 TOP CUTS

SHOW STAND-OUTS · 1991-02-21SWIPE →

2·22David Bowie12:5575 2·19Hold Your Head Up1:4361 1·8My Sweet One2:1460

SONG →/songs/i-am-hydrogen SHOW →/shows/1991-02-21-trax-charlottesville-va METHOD →/methodology

FOUL DOMAIN/tracks/7070 · v3.2

FOUL DOMAIN · INDEPENDENT · NOT AFFILIATED WITH PHISH

DISPLAY· TRACK SPECTRUMINPUT · TRACK_FEATURES.WAVEFORM

0:000:411:232:042:46

JAM IN · —PEAK · 2:35SAMPLE RATE 44.1 kHzSOURCE PHISH.IN

DEEP AUDIO ANALYSIS· LIBROSA CURVESENERGY · TEMPO · SPECTRUM

Radar · component scores0–100 normalized

Energy-10.9 dB

Loudness-8.7 dB

Dynamic range10.0 dB

Rhythmic density4.13/sec

Brightness1130 Hz

Flatness0.001

Harmonic variance0.066

Feature curves · over time0 → 2:46

EnergyLoudness envelope, dB

0:001:232:46

Perceptual loudnessShort-term LUFS, psychoacoustically weighted

0:001:232:46

BrightnessSpectral centroid — where the weight of the sound sits

0:001:232:46

Rhythmic densityOnsets per second, log-scaled

0:001:232:46

Tempo96–152 bpm · avg 114

0:001:232:46

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

0:001:232:46

READOUT· COMPOSITE SCORE · COMPONENT BREAKDOWN73RD PERCENTILE

Popularity11%0

Consensus10%0

Jam Chart12%0

Recognition12%0

Energy12%66

Groove12%67

Harmonic9%19

Duration9%0

Volatility8%100

Review5%50

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

INSTRUMENTATION· LIBROSA · v0.10.25 / 6 CHANNELS LIVE

LENGTH2:46standard

BPM96average

DYN dB10.0mid range

RHYTHM4.1/sbusy onset

PEAK2:35at 93%

JAM IN—auto only

CONTEXT· SETLIST · SHOW

SETLISTSet 1

I-1Reba11:57 I-2Dinner and a Movie3:49 I-3Ya Mar7:07 I-4Split Open and Melt8:22 I-5Fee5:31 I-6Llama5:00 I-7The Lizards10:29 I-8My Sweet One2:14 I-9Mike's Song6:22

I-10I Am Hydrogen2:46

I-11Weekapaug Groove6:08

11 TRACKSVIEW SHOW →

SHOWSHOW SCORE 18

Trax · Charlottesville, VA1991 Winter/Spring Tour · RANKED #9590 / 36131

TOP TRACKS THIS SHOW

David BowieSET 2 #22 · 12:55

Hold Your Head UpSET 2 #19 · 1:43

My Sweet OneSET 1 #8 · 2:14

1991-02-21VIEW SHOW →

RELATED· OTHER I Am Hydrogen VERSIONS317 TOTAL

#SCOREVENUEWAVEFORMDATELENGTH

#0284Memorial Hall, University of North CarolinaChapel Hill, NC

1993-02-153:02 #0383Shoreline AmphitheatreMountain View, CA

1999-09-164:24 #0479Worcester Centrum CentreWorcester, MA

1998-11-274:14 #0579Electric BallroomKnoxville, TN

1993-02-184:22 #0677Roxy TheatreAtlanta, GA

Sign in to suggest correctionsTRACK ID · 7070· DATA VERSION v3.3