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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 2026-05-14·© 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

Backwards Down the Number Line · August 11, 2009 at Toyota Park | Audio Analysis | Foul Domain

← BACK·TRACKS·Backwards Down the Number Line

CHARTED · JAM

Phish track · Set 2 · #11

Backwards Down the Number Line

A 14-minute version from Toyota Park in Bridgeview, IL on 2009-08-11. Charted by the community.

DATE · 2009-08-11·SHOW · Toyota Park·LENGTH · 13:38·Type IIDarkRockBuild

88TRACK

OF 145 VERSIONS

#2

ALL-TIME · #376 · 99th percentile

TRACK · SCORED v3.2← LEADERBOARD

Backwards Down the Number Line

2009-08-11·Toyota Park·Bridgeview, IL

2009 LATE SUMMER TOUR·Set 2·POS 11 / 1113:38

88SCORE

COMPOSITE · RANK AMONG VERSIONS

v2 of 145

#2 OF 145 · BACKWARDS DOWN THE NUMBER LINE CATALOG

JAM IN · 2:42

0:0013:38

DEEP ANALYSIS · LIBROSA v3.24 OF 24

PEAK AT10:34of 13:38

DYN dB6.4tight

ONSET/s5.0busy

BPM89era 3.0

How this version scoredMETHODOLOGY →

10 COMPONENTS · ONE COMPOSITEv3.3

0%306090100%

Popularity11%

8

Consensus10%

0

Jam Chart12%

100

Recognition12%

50

Energy12%

32

Groove12%

70

Harmonic9%

45

Duration9%

100

Volatility8%

67

Review5%

50

WEIGHTED · 100/100OPEN METHODOLOGY →

Charted jamPHISH.NET →

PHISH.NET JAM CHART · CURATOR NOTE

First "BDTNL" to go "Type II" in a big way.

The jam begins with a dark undertone, but then gets more upbeat and rocking. A settled section with building energy follows and > to "Carini."

TYPE IIDARKROCKBUILD

From this showSet 2 · 9 SONGS

2009-08-11 · Toyota Park

Bridgeview, IL · 2009 LATE SUMMER TOUR · SHOW SCORE 30

30SHOW

Set 2

II-1Backwards Down the Number LineYOU ARE HERE13:38 II-2Carini7:21 II-3Gotta Jibboo10:08 II-4Theme from the Bottom8:27 II-5Wilson5:59 II-6Also Sprach Zarathustra8:41 II-7Chalk Dust Torture8:56 II-8Harry Hood13:24 II-9The Squirming Coil9:12 OPEN FULL SHOW PAGE→

Other versions145 OF · SONG PAGE →

SAME SONG · RANKEDSWIPE →

08.16.09Saratoga Performing Arts CenterSaratoga Springs · NY88 08.13.22Alpine Valley Music TheatreEast Troy · WI84 08.17.10Nikon at Jones Beach TheaterWantagh · NY83 06.12.10Blossom Music CenterCuyahoga Falls · OH83 05.28.11Bethel Woods Center for the ArtsBethel · NY82

From this show3 TOP CUTS

SHOW STAND-OUTS · 2009-08-11SWIPE →

2·16Also Sprach Zarathustra8:4186 1·6The Curtain With14:0167 2·18Harry Hood13:2463

SONG →/songs/backwards-down-the-number-line SHOW →/shows/2009-08-11-toyota-park-bridgeview-il METHOD →/methodology

FOUL DOMAIN/tracks/26732 · v3.2

FOUL DOMAIN · INDEPENDENT · NOT AFFILIATED WITH PHISH

DISPLAY· TRACK SPECTRUMINPUT · TRACK_FEATURES.WAVEFORM

JAM IN · 2:42

0:003:246:4910:1313:38

JAM IN · 2:42PEAK · 10:34SAMPLE RATE 44.1 kHzSOURCE PHISH.IN

DEEP AUDIO ANALYSIS· LIBROSA CURVESENERGY · TEMPO · SPECTRUM

Radar · component scores0–100 normalized

Energy-10.9 dB

Loudness-0.0 dB

Dynamic range6.4 dB

Rhythmic density4.99/sec

Brightness808 Hz

Flatness0.000

Harmonic variance0.071

Feature curves · over time0 → 13:38

EnergyLoudness envelope, dB

0:006:4913:38

Perceptual loudnessShort-term LUFS, psychoacoustically weighted

0:006:4913:38

BrightnessSpectral centroid — where the weight of the sound sits

0:006:4913:38

Rhythmic densityOnsets per second, log-scaled

0:006:4913:38

Tempo83–172 bpm · avg 107

0:006:4913:38

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

0:006:4913:38

READOUT· COMPOSITE SCORE · COMPONENT BREAKDOWN99TH PERCENTILE

Popularity11%8

Consensus10%0

Jam Chart12%100

Recognition12%50

Energy12%32

Groove12%70

Harmonic9%45

Duration9%100

Volatility8%67

Review5%50

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

INSTRUMENTATION· LIBROSA · v0.10.26 / 6 CHANNELS LIVE

LENGTH13:38standard

BPM89average

DYN dB6.4compressed

RHYTHM5.0/sbusy onset

PEAK10:34at 78%

JAM IN2:42manual tag

PHISH.NET JAM CHART · CURATOR NOTE

Type IIDarkRockBuild

First "BDTNL" to go "Type II" in a big way. The jam begins with a dark undertone, but then gets more upbeat and rocking. A settled section with building energy follows and > to "Carini."

CONTEXT· SETLIST · SHOW

SETLISTSet 2

II-1Backwards Down the Number Line13:38

II-2Carini7:21 II-3Gotta Jibboo10:08 II-4Theme from the Bottom8:27 II-5Wilson5:59 II-6Also Sprach Zarathustra8:41 II-7Chalk Dust Torture8:56 II-8Harry Hood13:24 II-9The Squirming Coil9:12

9 TRACKSVIEW SHOW →

SHOWSHOW SCORE 30

Toyota Park · Bridgeview, IL2009 Late Summer Tour · RANKED #376 / 36131

TOP TRACKS THIS SHOW

Also Sprach ZarathustraSET 2 #16 · 8:41

The Curtain WithSET 1 #6 · 14:01

Harry HoodSET 2 #18 · 13:24

2009-08-11VIEW SHOW →

RELATED· OTHER Backwards Down the Number Line VERSIONS145 TOTAL

#SCOREVENUEWAVEFORMDATELENGTH

#0288Saratoga Performing Arts CenterSaratoga Springs, NY

2009-08-1620:31 #0384Alpine Valley Music TheatreEast Troy, WI

2022-08-1313:40 #0483Nikon at Jones Beach TheaterWantagh, NY

2010-08-1714:15 #0583Blossom Music CenterCuyahoga Falls, OH

2010-06-1213:38 #0682Bethel Woods Center for the ArtsBethel, NY

2011-05-2812:10

Sign in to suggest correctionsTRACK ID · 26732· DATA VERSION v3.3