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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

I Am Hydrogen · May 4, 1991 at Somerville Theatre | Audio Analysis | Foul Domain

← BACK·TRACKS·I Am Hydrogen

LIVE · 2:26

Phish track · Set 1 · #10

I Am Hydrogen

A 2-minute version from Somerville Theatre in Somerville, MA on 1991-05-04.

DATE · 1991-05-04·SHOW · Somerville Theatre·LENGTH · 2:26

32TRACK

OF 317 VERSIONS

#302

ALL-TIME · #33,908 · 6th percentile

TRACK · SCORED v3.2← LEADERBOARD

I Am Hydrogen

1991-05-04·Somerville Theatre·Somerville, MA

1991 WINTER/SPRING TOUR·Set 1·POS 10 / 102:26

32SCORE

COMPOSITE · RANK AMONG VERSIONS

v302 of 317

#302 OF 317 · I AM HYDROGEN CATALOG

0:002:26

DEEP ANALYSIS · LIBROSA v3.24 OF 24

PEAK AT1:14of 2:26

DYN dB2.9tight

ONSET/s4.7busy

BPM108era 1.0

How this version scoredMETHODOLOGY →

10 COMPONENTS · ONE COMPOSITEv3.3

0%306090100%

Popularity11%

6

Consensus10%

0

Jam Chart12%

0

Recognition12%

0

Energy12%

14

Groove12%

84

Harmonic9%

4

Duration9%

0

Volatility8%

0

Review5%

50

WEIGHTED · 100/100OPEN METHODOLOGY →

From this showSet 1 · 11 SONGS

1991-05-04 · Somerville Theatre

Somerville, MA · 1991 WINTER/SPRING TOUR · SHOW SCORE 26

26SHOW

Set 1

I-1The Oh Kee Pa Ceremony0:53 I-2Suzy Greenberg5:32 I-3Cavern4:33 I-4Reba11:02 I-5My Sweet One2:04 I-6Split Open and Melt7:37 I-7Guelah Papyrus5:36 I-8Fluffhead13:36 I-9Mike's Song6:46 I-10I Am HydrogenYOU ARE HERE2:26 I-11Weekapaug Groove5:31 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 · 1991-05-04SWIPE →

2·14Colonel Forbin's Ascent13:1861 2·12Dog Log4:0253 2·16Harry Hood10:5453

SONG →/songs/i-am-hydrogen SHOW →/shows/1991-05-04-somerville-theatre-somerville-ma METHOD →/methodology

FOUL DOMAIN/tracks/7927 · v3.2

FOUL DOMAIN · INDEPENDENT · NOT AFFILIATED WITH PHISH

DISPLAY· TRACK SPECTRUMINPUT · TRACK_FEATURES.WAVEFORM

0:000:371:131:502:26

JAM IN · —PEAK · 1:15SAMPLE RATE 44.1 kHzSOURCE PHISH.IN

DEEP AUDIO ANALYSIS· LIBROSA CURVESENERGY · TEMPO · SPECTRUM

Radar · component scores0–100 normalized

Energy-8.4 dB

Loudness3.7 dB

Dynamic range2.9 dB

Rhythmic density4.73/sec

Brightness2991 Hz

Flatness0.015

Harmonic variance0.063

Feature curves · over time0 → 2:26

EnergyLoudness envelope, dB

0:001:132:26

Perceptual loudnessShort-term LUFS, psychoacoustically weighted

0:001:132:26

BrightnessSpectral centroid — where the weight of the sound sits

0:001:132:26

Rhythmic densityOnsets per second, log-scaled

0:001:132:26

Tempo103–172 bpm · avg 120

0:001:132:26

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

0:001:132:26

READOUT· COMPOSITE SCORE · COMPONENT BREAKDOWN6TH PERCENTILE

Popularity11%6

Consensus10%0

Jam Chart12%0

Recognition12%0

Energy12%14

Groove12%84

Harmonic9%4

Duration9%0

Volatility8%0

Review5%50

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

INSTRUMENTATION· LIBROSA · v0.10.25 / 6 CHANNELS LIVE

LENGTH2:26standard

BPM108average

DYN dB2.9compressed

RHYTHM4.7/sbusy onset

PEAK1:15at 51%

JAM IN—auto only

CONTEXT· SETLIST · SHOW

SETLISTSet 1

I-1The Oh Kee Pa Ceremony0:53 I-2Suzy Greenberg5:32 I-3Cavern4:33 I-4Reba11:02 I-5My Sweet One2:04 I-6Split Open and Melt7:37 I-7Guelah Papyrus5:36 I-8Fluffhead13:36 I-9Mike's Song6:46

I-10I Am Hydrogen2:26

I-11Weekapaug Groove5:31

11 TRACKSVIEW SHOW →

SHOWSHOW SCORE 26

Somerville Theatre · Somerville, MA1991 Winter/Spring Tour · RANKED #33908 / 36131

TOP TRACKS THIS SHOW

Colonel Forbin's AscentSET 2 #14 · 13:18

Dog LogSET 2 #12 · 4:02

Harry HoodSET 2 #16 · 10:54

1991-05-04VIEW 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 · 7927· DATA VERSION v3.3