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Song Structure Lab

Multi-angle analysis of anime song section structures

JP EN
Intro Verse Pre-Chorus Chorus Bridge D-Section E-Section F-Section G-Section H-Section Interlude Ending
Chorus Timing Structure Chorus Count Intro Length Pre-Chorus Section Duration Complexity
55s
Average
55s
Median
0s
Fastest
4m 14s
Slowest
506
Songs
Distribution of First Chorus Timing
0–15s
26
26
16–30s
21
21
31–45s
75
75
46–60s
216
216
61–90s
153
153
91–120s
13
13
121s+
2
Fastest First Chorus Ranking

Intro / Interlude / Ending removed, consecutive duplicates compressed. 114 skeleton patterns found.

1
VersePre-ChorusChorusVersePre-ChorusChorus Two-Chorus
121songs
2
VersePre-ChorusChorusVersePre-ChorusChorusBridgeChorus Classic
119songs
3
VersePre-ChorusChorusVersePre-ChorusChorusPre-ChorusChorus B-Section Finale
41songs
4
ChorusVersePre-ChorusChorusVersePre-ChorusChorus Chorus-First
17songs
5
VerseChorusVerseChorusBridgeChorus No Pre-Chorus
12songs
6
VersePre-ChorusChorusVersePre-ChorusBridgeChorus C-Section Drop
12songs
7
VersePre-ChorusChorusVersePre-ChorusChorusBridgeD-SectionChorus Extended Bridge
10songs
8
VersePre-ChorusChorusVersePre-ChorusChorusBridgePre-ChorusChorus B-Return
9songs
9
VersePre-ChorusChorusVersePre-ChorusChorusVersePre-ChorusChorus Three-Chorus
9songs
10
VersePre-ChorusChorus Single Chorus
8songs
11
VerseChorusVerseChorus Simple Form
8songs
12
VerseChorusVerseChorusVerseChorus Simple Three
8songs
13
ChorusVersePre-ChorusChorusVersePre-ChorusChorusBridgeChorus Chorus-First Classic
5songs
14
ChorusVersePre-ChorusChorusVersePre-ChorusChorusPre-ChorusChorus Chorus-First B-Finale
5songs
15
VersePre-ChorusChorusPre-ChorusChorus B-Lead
5songs
16
VersePre-ChorusChorusVerseBridgeChorus
5songs
17
VersePre-ChorusChorusVersePre-ChorusChorusBridge
4songs
18
VersePre-ChorusChorusVerseChorus
4songs
19
VersePre-ChorusChorusBridgePre-ChorusChorus
4songs
20
VersePre-ChorusChorusVerseBridgePre-ChorusChorus
3songs
Chorus Count Distribution
1 chorus
11
11
2 chorus
62
62
3 chorus
275
275
4 chorus
132
132
5 chorus
20
20
6 chorus
6
6
Most Choruses Ranking
38s
Average
35s
Median
1m 7s
Longest
50
Songs
Longest Intro Ranking

What section sequence leads up to the first chorus?

1
IntroVersePre-Chorus Chorus
384songs
2
IntroVerse Chorus
34songs
3
Intro Chorus
32songs
4
VersePre-Chorus Chorus
16songs
5
IntroVersePre-ChorusBridge Chorus
8songs
6
IntroVerseVersePre-Chorus Chorus
7songs
7
IntroIntroVersePre-Chorus Chorus
5songs
8
IntroVersePre-ChorusVersePre-Chorus Chorus
4songs
9
IntroVerseVerse Chorus
4songs
10
IntroIntro Chorus
1songs
11
IntroInterludeVersePre-Chorus Chorus
1songs
12
IntroBridgeVersePre-ChorusBridge Chorus
1songs
13
IntroVersePre-ChorusPre-Chorus Chorus
1songs
14
IntroVersePre-ChorusVersePre-ChorusVerse Chorus
1songs
15
IntroVerseVerseVerseVerseVerse Chorus
1songs
16
BridgeVersePre-Chorus Chorus
1songs
17
Pre-ChorusD-SectionF-SectionH-Section Chorus
1songs
18
VersePre-ChorusPre-Chorus Chorus
1songs
19
Verse Chorus
1songs

Average duration of each section type (LEAD-based calculation, max 300s).

I
220s
n=3
min 146s / max 274s
L
159s
n=2
min 28s / max 290s
T
130.5s
n=2
min 117s / max 144s
W
126s
n=1
min 126s / max 126s
Y
100s
n=1
min 100s / max 100s
K
84s
n=1
min 84s / max 84s
J
76.7s
n=3
min 28s / max 169s
O
76s
n=3
min 13s / max 196s
P
38.5s
n=2
min 14s / max 63s
H-Section
31.3s
n=3
min 13s / max 51s
F-Section
30.9s
n=8
min 12s / max 83s
Ending
29.1s
n=377
min 11s / max 174s
G-Section
29s
n=3
min 21s / max 39s
Chorus
28.6s
n=1508
min 3s / max 72s
N
24s
n=1
min 24s / max 24s
Verse
21.8s
n=1071
min 8s / max 55s
Q
21.5s
n=2
min 15s / max 28s
Interlude
20.9s
n=442
min 5s / max 243s
Bridge
20.1s
n=332
min 6s / max 200s
Pre-Chorus
19.7s
n=1047
min 6s / max 181s
D-Section
19.1s
n=50
min 6s / max 43s
Intro
18.1s
n=509
min 2s / max 67s
E-Section
16.2s
n=9
min 10s / max 33s

Complexity score = total sections + distinct section types × 3. Higher score = more complex song structure.