AcoustID track

Who Knows

Avril Lavigne3:30

171bfe8a-7a1f-406d-b7de-20665bae4a12

Fingerprints

distinct audio files

Submissions

5,029

across all fingerprints

Recordings

linked in MusicBrainz

Duration

3:28–3:33

range of submitted files

MusicBrainz recordings

3 linked, 9 disabled

Show 9 disabled recordings

Title	Artist	Length	Sources
Who Knows 9922e645-0a63-47d4-9ba0-71e1befb4003	Avril Lavigne	3:30	3,212	Other tracks
Who Knows (instrumental) 5ddc5bc0-305b-46dd-b6f0-f61a4e370053	Avril Lavigne	3:30	5	Other tracks
You Ain’t Seen Nothin’ Yet 20b1bba8-5f14-40cc-8fc3-9d5d902be365	Avril Lavigne	3:14	2	Other tracks

Fingerprints

Most submitted first, select two to compare them in detail

	ID	Length	Sources
A	10443340	3:29	3,602
B	80942998	3:30	762
C	14301126	3:30	654
D	43156906	3:31	2
E	47442871	3:30	2
F	100176044	3:30	2
G	27234523	3:29	1
H	58695309	3:30	1
I	62871846	3:33	1
J	76576293	3:28	1
K	103217334	3:30	1

How similar are they?

Each cell compares two fingerprints of this track at their best alignment. 1.00 means identical audio; unrelated recordings score close to 0. Click a cell to see the comparison.

	A	B	C	D	E	F	G	H	I	J	K
A	—	0.90	0.88	0.83	0.54	0.85	0.62	0.83	0.70	0.65	0.87
B	0.90	—	0.85	0.82	0.50	0.82	0.60	0.80	0.71	0.61	0.80
C	0.88	0.85	—	0.83	0.48	0.80	0.68	0.77	0.76	0.66	0.90
D	0.83	0.82	0.83	—	0.46	0.78	0.56	0.74	0.70	0.62	0.78
E	0.54	0.50	0.48	0.46	—	0.48	0.38	0.47	0.41	0.38	0.48
F	0.85	0.82	0.80	0.78	0.48	—	0.60	0.76	0.68	0.62	0.83
G	0.62	0.60	0.68	0.56	0.38	0.60	—	0.55	0.52	0.45	0.64
H	0.83	0.80	0.77	0.74	0.47	0.76	0.55	—	0.60	0.57	0.76
I	0.70	0.71	0.76	0.70	0.41	0.68	0.52	0.60	—	0.60	0.72
J	0.65	0.61	0.66	0.62	0.38	0.62	0.45	0.57	0.60	—	0.65
K	0.87	0.80	0.90	0.78	0.48	0.83	0.64	0.76	0.72	0.65	—

Submitted metadata

123 distinct entries from 2,699 submissions, 47 after grouping

Grouped All rows

TitleArtistSources

▶ Who Knows · 13 spellings

Under My SkinUnder My Skin (Special Edition)The Softer SideUnder My Skin [Bonus Tracks] +34 more

Avril Lavigne 1,704

Title	Artist	Album	Sources
Who Knows	Avril Lavigne	Under My Skin	1,498
Who knows	Avril Lavigne	Under My Skin	27
Who Knows	Avril Lavigne	Under My Skin (Special Edition)	19
Who Knows	Avril Lavigne	The Softer Side	12
Who knows	Avril Lavigne	Under my skin	11
who knows	avril lavigne	under my skin	10
Who Knows	Avril Lavigne	Under My Skin [Bonus Tracks]	10
WHO KNOWS	AVRIL LAVIGNE	UNDER MY SKIN	10
Who Knows	Avril Lavigne	Diamond Collection	8
Who Knows	Avril Lavigne	Under My Skin - Special Edition	8
Who Knows	Avril Lavigne	The Best Damn Thing/Under My Skin	8
Who Knows	AVRIL LAVIGNE	UNDER MY SKIN	6
who knows	Avril Lavigne	Under My Skin	4
Who Knows	Avril Lavigne	UNDER MY SKIN	4
Who knows	Avril Lavigne	Under my Skin	4
Who Knows	Avril Lavigne	Let Go/Under My Skin	4
Who Knows	Avril Lavigne	Under My Skin [Bonus Track]	3
who knows	Avril Lavigne	Under My SKin	2
who knows	Avril Lavigne	Under my skin	2
Who Knows	Avril Lavigne	Under My Skin [Special Edition]	2
Who Knows?	Avril Lavigne	Under My Skin	2
Who Knows	Avril Lavigne	Under Myskin	2
Who Knows	Avril Lavigne	Under My Skin [Special Edition 2004]	2
Who Knows	Avril Lavigne	Let Go / Under My Skin	2
Who Knows	Avril Lavigne	under my skin @ 21st Century M	2
Who Knows	Avril Lavigne	Under My Skin [JPN] BVCA-24020 [WAVcue]	2
Who Knows	Avril Lavigne	Under My Skin (2004)	2
Who Knows	Avril Lavigne	Let Go	2
Who Knows	Avril Lavigne	Under My Skin Under My Skin	1
Who Knows	Avril Lavigne	Forgotten	1
who knows	Avril Lavigne	under my skin	1
Who Knows	Avril Lavigne	Under My Skin (Bonus Track Version)	1
Who Knows	Avril Lavigne	Sampler 30	1
Who Knows	Avril Lavigne	The Best Songs	1
Who Knows	Avril Lavigne	Under My Skin CD 1	1
Who Knows	Avril Lavigne	20040512 @ Under My Skin	1
Who Knows.	Avril Lavigne	Under my skin	1
Who Knows	Avril Lavigne	(2004) Under My Skin	1
Who Knows	「AVRIL LAVIGNE」	洋楽	1
Who Knows	Avril Lavigne	Under my Skin	1
Who Knows	Avril Lavigne	Under My Skin [Japan Bonus Tracks]	1
Who Knows	Avril Lavigne	Under My Skin (CD 1/2 Special Edition)	1
Who Knows	Avril Lavigne	Under my skin	1
Who Knows	Avril Lavigne	Under My Skin [Bonus Tracks & DVD] (Disc 1)	1
Who Knows	Avril Lavigne	Disk_A	1
Who Knows	Avril Lavigne	Under My Skin 2004	1
Who Knows	Avril Lavigne	Under My Skin (82876-59774-2 RE-1)	1
Who Knows	avril lavigne	under my skin	1
Who Knows	Avril Lavigne	[2004] Under My Skin	1
Who knows	Avril Lavigne	Under My Skin (HQ)	1
Who Knows	Avril Lavigne	Under My Skin	1
Who_Knows	Avril Lavigne	Under My Skin	1
Who Knows	Avril Lavigne	Under My Skin (C)	1
Who Knows	Avril Lavigne	under my skin	1
Who Knows	Avril Lavigne	Under My Skin [US (82876-59774-2)]	1
Who Knows (@#%)	Avril Lavigne	Under My Skin	1
Who Knows	Avril Lavigne	Avril Lavigne Under My Skin	1
Who Knows	Avril Lavigne	Under My Skin (from MP3)	1
Who Knows	Avril Lavigne	Avril Lavigne, Under My Skin - 2004	1
Who Knows	Avril Lavigne	Let Go / Under My Skin CD2	1
Who Knows	Avril Lavigne	Let go Under my skin Disc 2	1
Who Knows	Avril Lavigne	The Best Damn Songs. disc two	1
Who Knows	Avril Lavigne	Under My Skin	1
Who Knows	Avril Lavigne	Mix	1

▶ No metadata submitted – 866

Title	Artist	Album	Sources
–	–	–	866

▶ Track09

Unknown Title

Unknown Artist 32

Title	Artist	Album	Sources
Track09	Unknown Artist	Unknown Title	32

▶ Track09

Under my skinElite GoldUnbekannter Titel

Avril Lavigne 16

Title	Artist	Album	Sources
Track09	Avril Lavigne	Under my skin	6
Track09	Avril Lavigne	Under My Skin	5
Track09	Avril Lavigne	Elite Gold	1
Track09	Avril Lavigne	–	1
Track09	Avril Lavigne	under my skin	1
Track09	Avril Lavigne	Unbekannter Titel	1
Track09	Avril Lavigne	Under my Skin	1

▶ Who Knows

Under My Skin

Lavigne, Avril 11

Title	Artist	Album	Sources
Who Knows	Lavigne, Avril	Under My Skin	11

▶ 音轨09

未知标题

未知艺术家 9

Title	Artist	Album	Sources
音轨09	未知艺术家	未知标题	9

▶ Track09

Unbekannter Titelunder my skin

Unbekannter Künstler 6

Title	Artist	Album	Sources
Track09	Unbekannter Künstler	Unbekannter Titel	5
Track09	Unbekannter Künstler	under my skin	1

▶ 音轨08

未知标题

未知艺术家 6

Title	Artist	Album	Sources
音轨08	未知艺术家	未知标题	6

▶ 音轨09 · 2 spellings

Under My Skin

Avril Lavigne 4

Title	Artist	Album	Sources
音轨09	Avril Lavigne	Under My Skin	3
音轨09	Avril Lavigne	Under My Skin	1

▶ 09 Who Knows · 2 spellings

Under My SkinUnknown Album

Avril Lavigne 4

Title	Artist	Album	Sources
09 Who Knows	Avril Lavigne	Under My Skin	2
09 Who Knows	Avril Lavigne	Unknown Album	1
09-Who Knows	Avril Lavigne	Under My Skin	1

▶ who_knows-mvp · 2 spellings

under my skin (ltd. ed.) - 2004Under My Skin

avril lavigne 3

Title	Artist	Album	Sources
who_knows-mvp	avril lavigne	under my skin (ltd. ed.) - 2004	2
Who Knows-Mvp	Avril Lavigne	Under My Skin	1

▶ Fall to Pieces · 2 spellings

Under My Skin

Avril Lavigne 2

Title	Artist	Album	Sources
Fall to Pieces	Avril Lavigne	Under My Skin	1
Fall To Pieces	Avril Lavigne	Under My Skin	1

▶ Who Knows

アンダー・マイ・スキンUnder My Skin

アヴリル・ラヴィーン 2

Title	Artist	Album	Sources
Who Knows	アヴリル・ラヴィーン	アンダー・マイ・スキン	1
Who Knows	アヴリル・ラヴィーン	Under My Skin	1

▶ Who Knows-easymp3s

Under My Skin

Avril Lavigne 1

Title	Artist	Album	Sources
Who Knows-easymp3s	Avril Lavigne	Under My Skin	1

▶ Morceau 9

Sans titre - 01-06-04

Inconnu 1

Title	Artist	Album	Sources
Morceau 9	Inconnu	Sans titre - 01-06-04	1

▶ WHO KNOWS

UNDER MY SKIN

AVRILE LAVIGNE 1

Title	Artist	Album	Sources
WHO KNOWS	AVRILE LAVIGNE	UNDER MY SKIN	1

▶ Track 09

title

Avril Lavigne * Under My Skin 1

Title	Artist	Album	Sources
Track 09	Avril Lavigne * Under My Skin	title	1

▶ Track09

未知标题

未知艺术家 1

Title	Artist	Album	Sources
Track09	未知艺术家	未知标题	1

▶ Who Knows

Under My Skine

Avaril Lavigne 1

Title	Artist	Album	Sources
Who Knows	Avaril Lavigne	Under My Skine	1

▶ 音轨09

UnderMySkin

AvrilLavigne 1

Title	Artist	Album	Sources
音轨09	AvrilLavigne	UnderMySkin	1

▶ Utwór09

Nieokreślony tytuł

Nieokreślony twórca 1

Title	Artist	Album	Sources
Utwór09	Nieokreślony twórca	Nieokreślony tytuł	1

▶ Slipped Away

Under My Skin

Avril Lavigne 1

Title	Artist	Album	Sources
Slipped Away	Avril Lavigne	Under My Skin	1

▶ 9. Who Knows

Neznámý název

Avril Lavigne 1

Title	Artist	Album	Sources
9. Who Knows	Avril Lavigne	Neznámý název	1

▶ Track11

Unknown Title

Unknown Artist 1

Title	Artist	Album	Sources
Track11	Unknown Artist	Unknown Title	1

▶ Who Knows

Unknown Title

Arvil Lavigne 1

Title	Artist	Album	Sources
Who Knows	Arvil Lavigne	Unknown Title	1

▶ be without you

Under my skin

Mary J. Blige 1

Title	Artist	Album	Sources
be without you	Mary J. Blige	Under my skin	1

▶ Track08

Unknown Title

Unknown Artist 1

Title	Artist	Album	Sources
Track08	Unknown Artist	Unknown Title	1

▶ 音轨14 – 1

Title	Artist	Album	Sources
音轨14	–	–	1

▶ who knows

未知标题

艾薇儿 1

Title	Artist	Album	Sources
who knows	艾薇儿	未知标题	1

▶ Трек09

Unknown Title

Unknown Artist 1

Title	Artist	Album	Sources
Трек09	Unknown Artist	Unknown Title	1

▶ Stopa09

Under My Skin

Avril Lavigne 1

Title	Artist	Album	Sources
Stopa09	Avril Lavigne	Under My Skin	1

▶ Who know

Under my skin

Avril Lavigne 1

Title	Artist	Album	Sources
Who know	Avril Lavigne	Under my skin	1

▶ WHO KNOWS

Título desconocido

Artista desconocido 1

Title	Artist	Album	Sources
WHO KNOWS	Artista desconocido	Título desconocido	1

▶ Track09

Uner my Skin

Avril Lavine 1

Title	Artist	Album	Sources
Track09	Avril Lavine	Uner my Skin	1

▶ Who Knows

Avril Lavigne - Under My Skin

Avril Lavigne - Under My Skin 1

Title	Artist	Album	Sources
Who Knows	Avril Lavigne - Under My Skin	Avril Lavigne - Under My Skin	1

▶ トラック09 – 1

Title	Artist	Album	Sources
トラック09	–	–	1

▶ トラック09

不明なタイトル

不明なアーティスト 1

Title	Artist	Album	Sources
トラック09	不明なアーティスト	不明なタイトル	1

▶ Who Knows (24.05.2004)

Under My Skin (24.05.2004)

Avril Lavigne 1

Title	Artist	Album	Sources
Who Knows (24.05.2004)	Avril Lavigne	Under My Skin (24.05.2004)	1

▶ Who Knows 誰知道

Under My Skin 酷到骨子裏

Avril Lavigne 艾薇兒 1

Title	Artist	Album	Sources
Who Knows 誰知道	Avril Lavigne 艾薇兒	Under My Skin 酷到骨子裏	1

▶ トラック14

不明なタイトル

不明なアーティスト 1

Title	Artist	Album	Sources
トラック14	不明なアーティスト	不明なタイトル	1

▶ 音轨09

take me away

Avril Ramona Lavigne 1

Title	Artist	Album	Sources
音轨09	Avril Ramona Lavigne	take me away	1

▶ track

I don't give

Avril Lavigne 1

Title	Artist	Album	Sources
track	Avril Lavigne	I don't give	1

▶ Track15

Unknown Title

Unknown Artist 1

Title	Artist	Album	Sources
Track15	Unknown Artist	Unknown Title	1

▶ Track21

Unknown Title

Unknown Artist 1

Title	Artist	Album	Sources
Track21	Unknown Artist	Unknown Title	1

▶ Who Knows

LAVIGNE UNDER MY SKIN

AVRIL 1

Title	Artist	Album	Sources
Who Knows	AVRIL	LAVIGNE UNDER MY SKIN	1

▶ Track14

Under My Skin

Avril Lavigne 1

Title	Artist	Album	Sources
Track14	Avril Lavigne	Under My Skin	1

▶ 音轨15 Avril Lavigne 1

Title	Artist	Album	Sources
音轨15	Avril Lavigne	–	1