Witch House is known for sampling from other songs, so I complied a list of these songs. Listed as the following; Band name - Song name (What it's a cover of). I will add more as I find them.
†oas†erb▲†h - All The Things She Said (t.A.T.u.'s All The Things She Said)
HR33ΔM - Get Out Of My Head (t.A.T.u.'s All The Things She Said)
Blvck Celing - Legend (t.A.T.u.'s All The Things She Said)
DJ ShapiQUE - All The Things She Said (t.A.T.u.'s All The Things She Said)
Blvck Ceiling - Fall (t.A.T.u.'s Not Gonna Get Us)
𝔡𝔢𝔞𝔡𝕱𝖑𝖊𝖘𝖍 - Not Gonna Get Us (t.A.T.u.'s Not Gonna Get Us)
∆XIUS LIИK - (t.A.T.u.'s Not Gonna Get Us)
Purple - Not Gonna Get Us (t.A.T.u.'s Not Gonna Get Us)
Fraunhofer Diffraction - Not Gonna Get Us (t.A.T.u.'s Not Gonna Get Us)
AØ 一个直径 Not Gonna Get Us (t.A.T.u.'s Not Gonna Get Us)
Unknxwnbxi - Rv1nbxvv (t.A.T.u.'s Not Gonna Get Us)
Fluxik Boulevard Depo X Summer Of Haze - Нас Не Догонят (t.A.T.u.'s Not Gonna Get Us)
Afangovsky - Not Gonna Get Us(t.A.T.u.'s Not Gonna Get Us)
Miami Cannibal - Not Gonna Get Us (t.A.T.u.'s Not Gonna Get Us)
Brandy Kills - Простые Движения (t.A.T.u.'s Simple Motions)
SASHA ₴ѺѺ - Show Me Love (t.A.T.u.'s Show Me Love)
Invent Romance - Pokazhi Mne Lobuv (t.A.T.u.'s Show Me Love)
Tsumetai - Sh♡w Me L♡ve (t.A.T.u.'s Show Me Love)
ATMSSPHERO - MΛKΞ MΞ RΞΛL (Evanescence's Bring Me To Life)
Damn Whore - Salope (Serebro's Maylo Tebya)
РΣ▲ϾΣ ⱧΣȊL - SM33LS LXKE T33N SPXRXT (Nirvana's Smells Like Teen Spirit)
λ₴MѺÐ∆I ✞ x San4os96 - I WΛŊT (Децл's Письмо)
ßęđŧīmĕ Šŧōŗĩėş - 1944 (Jamala's 1944)
ßęđŧīmĕ Šŧōŗĩėş - Harpies (Crystal Castle's Femen)
Damn Whore - Self Harm (Yana Kay's Runaway)
DeathKid - Around The World
Zombelle - Pumpkin Pumpkin (Kreayshawn's Bumpin)
Mater Suspiria Vision - Posse (Scooter's Posse)
Mater Suspira Vision - Voyage Voyage (Desire's Voyage Voyage)
1997✝ X Yakui The Maid - 子守唄 (Shigurui's Children's Song)
Blvck Ceiling - 2Nites (Ladytron's Beauty No. 2)
Blvck Ceiling - Girl No. 2 (Sharon Den Adel's In And Out Of Love)
Blvck Ceiling - setmefree (Charlie XCX's Set Me Free)
Violet7rip - u know me (Nelly Furtado's Say It Right)
Arsia Line - Thank You (Dido's Thank You)
Blvck Ceiling - Young (Fun's We Are Young)
Blvck Ceiling - WVFFLIFE (Sharon Den Adel's In And Out Of Love)
LUXXGRΔVE - Fantasy (Dye's Fantasy)
LUXXGRΔVE - Better Off Alone (Alice Deejay's Better Off Alone)
Blvck Ceiling - Leaving The City (Cranberries' Zombie)
Iиfected Uиicorn - Matushka Toska (Rammstein's Sonne)
Portwave - Oh! I'm So Tired (Cradle Of Filth's Bathory Aria)
Blvck Ceiling - She Is Not In Heaven (Madonna's Like A Prayer)
Радость Моя — Унывай душа моя(ансамбль Октай's Не унывай, не унывай душа моя)
ɪɲ ʕʰɘɼɾʏ ɟȺɱɨʟʮ - Люби Меня, Люби! (Alina Orlova's Golubi)
FUN∃RᐃL ‡ FLØW∃RS - YΛ NΞ ONI (Linda's Vorona)
∆XIUS LIИK - DBT (M.I.A.'s Double Bubble Trouble)
∆XIUS LIИK - KØHCTAHTA (I Blame Coco's The Constant)
Blvck Ceiling - Numb (Evanescence's Bring Me To Life)
Slammer - 』』『『 ☯₆⁶₆☯ 』』『『 (The Birthday Massacre's Down)
Slammer - Here (Era's Ameno)
SLAMER - † (Ellie Goulding's Lights)
Heretics - Call Me Maybe (Carly Rae Jepsen's Call Me Maybe)
PEAKi - Elastic Heart (Sia's Elastic Heart)
PEAKi - You Died That Day (Sia's I'm Alive)
Blvck Ceiling - Poor It Up (Rihanna's Pour It Up)
ŦHE LEFŦ HΔNĐ ƟF CⱤEΔŦĬƟN - LΞΔÐ MΞ IN†ʘ †ĦΞ LIGĦ† (Katy Perry's ET)
†Я▲СΣS ❍F GΗ❍5†5 - Äήâ...ţű ŋŏ ēŕèš ļō мєјοя ŢΉΕ РΆΪЛ ΙŠ ΉΔЯĎĒŔ (Ariana Grande's Love Me Harder)
ΣXIS†EMY - Inception (Sia's Elastic Heart)
ᑡlepsydra - Alphabet Void (Melanie Martinaz's Alphabet Boy)
Crespore - I Can Fly (Jet Fly's I Can Fly)
✝BL▲CK C∆T✝ - M▲LØ †ΣBY∆ (Serebro's Malo Tebya)
NKAOH - Tokio Drift (Teriyaki Boys' Tokyo Drift)
DΛTURΛ - F Λ D E D (Zhu's Faded)
DΛTURΛ - You Won't See Me Move No More (Sia's Elastic Heart)
Essex - Since The Flood (Grime's Genesis)
B▲N▲L ▲N▲L - Criminal (Britney Spears' Criminal)
27th - Aura (Sarah McLachlan's Fallen)
✝ϊms♄ - Orange Happiness You And I (Краски's Оранжевое солнц)
Blvck Ceiling - Lifea (Sharon Den Adel's In And Out Of Love)
Blvck Ceiling - Cool (Emma Hewitt's Crucify)
Blvck Ceiling - Runner (Emma Hewitt's These Days Are Ours)
Blvck Ceiling - Sight (The Cure's Lovesong)
Blvck Ceiling - Iminluvwithu (Leona Lewis' Bleeding Love)
Blvck Ceiling - We Burn (Captain Hollywood Project's More and More)
Blvck Ceiling - Cut Me Down (One Republic's Apologize)
Blvck Ceiling - Lent My Heart To You (Ladyhawke's Magic)
Blvck Ceiling - Summertime Sadness (Lana Del Rey's Summertime Sadness)
Blvck Ceiling - Dear Kingdom (Band Of Horses' The Funeral)
Greyscale Sound - August (Grimes' Genesis)
Mystxrivl - Going Under (Evanescence's Going Under)
Blvck Ceiling - Photos (Lady Gaga's Paparazzi)
Blvck Ceiling - Empty Halls (The Weeknd's Starboy)
De▲d Idols - Secluded (Nana's Lonely)
Blvck Ceiling - Pages (Justin Timberlake's Cry Me A River)
Blvck Celing - Bye Fernando (Lady Gaga's Alejandro)
De▲d Idols - U And Me (No Doubt's Don't Speak)
Octo Made - Ŷã tébŷã ñé õtdãm (Serebro's Ya Tebya Ne Otdam)
De▲d Idols - In And Out Of Love (Sharon Den Adel's Falling In And Out Of Love)
ɱ ɪ ʟ κ ƴVVΛY - Better Off Alone (Alice Deejay's Better Off Alone)
XLIEXCRYXDIEX - Better Off Alone (Alice Deejay's Better Off Alone)
Grim Service - STVN (Dido's Thank You)
Vitrea - Shout (Tears For Fears' Shout)
BLVCK CEILING - All I Ever Wanted (Depache Mode's Enjoy The Silence)
leXisuX - In My Head (4 Non Blondes' What's Going On)
Lunar Vison - No Heart (Катя Чехова's Я робот)
Bl▲k. Pan▲3l - Red Lips (Sam Bruno's Red Lips)
λ₴MѺÐ∆I ✞ - SIΛIΣΣ† DRΞ∆MS (Eurythmics' Sweet Dreams)
Portwave- Sh0w Me L0ve (t.A.T.u.'s Show Me Love)
Yedgar - Let Go (Frou Frou's Let Go)
Øfdream - Real Answer (Imogen Heap's Headlock)
Øfdream - The Great Beast (Cassie's Me & U)
△☓i∪s ¬iИк - WICCΛ (Kiss' I Was Made For Loving You)
DΛTURΛ - I Wish I Never Gave Up (Madonna's Like A Prayer)
Mugl X Fraunhofer Diffraction - Rain (Garbage's I'm Only Happy When It Rains)
BL▲K.:P▲N3L:.SKR↑P† - Po0cḪ̵͛ (Miley Cyrus' Party In The USA)
†oas†erb▲†h - All The Things She Said (t.A.T.u.'s All The Things She Said)
HR33ΔM - Get Out Of My Head (t.A.T.u.'s All The Things She Said)
Blvck Celing - Legend (t.A.T.u.'s All The Things She Said)
DJ ShapiQUE - All The Things She Said (t.A.T.u.'s All The Things She Said)
Blvck Ceiling - Fall (t.A.T.u.'s Not Gonna Get Us)
𝔡𝔢𝔞𝔡𝕱𝖑𝖊𝖘𝖍 - Not Gonna Get Us (t.A.T.u.'s Not Gonna Get Us)
∆XIUS LIИK - (t.A.T.u.'s Not Gonna Get Us)
Purple - Not Gonna Get Us (t.A.T.u.'s Not Gonna Get Us)
Fraunhofer Diffraction - Not Gonna Get Us (t.A.T.u.'s Not Gonna Get Us)
AØ 一个直径 Not Gonna Get Us (t.A.T.u.'s Not Gonna Get Us)
Unknxwnbxi - Rv1nbxvv (t.A.T.u.'s Not Gonna Get Us)
Fluxik Boulevard Depo X Summer Of Haze - Нас Не Догонят (t.A.T.u.'s Not Gonna Get Us)
Afangovsky - Not Gonna Get Us(t.A.T.u.'s Not Gonna Get Us)
Miami Cannibal - Not Gonna Get Us (t.A.T.u.'s Not Gonna Get Us)
Brandy Kills - Простые Движения (t.A.T.u.'s Simple Motions)
SASHA ₴ѺѺ - Show Me Love (t.A.T.u.'s Show Me Love)
Invent Romance - Pokazhi Mne Lobuv (t.A.T.u.'s Show Me Love)
Tsumetai - Sh♡w Me L♡ve (t.A.T.u.'s Show Me Love)
ATMSSPHERO - MΛKΞ MΞ RΞΛL (Evanescence's Bring Me To Life)
Damn Whore - Salope (Serebro's Maylo Tebya)
РΣ▲ϾΣ ⱧΣȊL - SM33LS LXKE T33N SPXRXT (Nirvana's Smells Like Teen Spirit)
λ₴MѺÐ∆I ✞ x San4os96 - I WΛŊT (Децл's Письмо)
ßęđŧīmĕ Šŧōŗĩėş - 1944 (Jamala's 1944)
ßęđŧīmĕ Šŧōŗĩėş - Harpies (Crystal Castle's Femen)
Damn Whore - Self Harm (Yana Kay's Runaway)
DeathKid - Around The World
Zombelle - Pumpkin Pumpkin (Kreayshawn's Bumpin)
Mater Suspiria Vision - Posse (Scooter's Posse)
Mater Suspira Vision - Voyage Voyage (Desire's Voyage Voyage)
1997✝ X Yakui The Maid - 子守唄 (Shigurui's Children's Song)
Blvck Ceiling - 2Nites (Ladytron's Beauty No. 2)
Blvck Ceiling - Girl No. 2 (Sharon Den Adel's In And Out Of Love)
Blvck Ceiling - setmefree (Charlie XCX's Set Me Free)
Violet7rip - u know me (Nelly Furtado's Say It Right)
Arsia Line - Thank You (Dido's Thank You)
Blvck Ceiling - Young (Fun's We Are Young)
Blvck Ceiling - WVFFLIFE (Sharon Den Adel's In And Out Of Love)
LUXXGRΔVE - Fantasy (Dye's Fantasy)
LUXXGRΔVE - Better Off Alone (Alice Deejay's Better Off Alone)
Blvck Ceiling - Leaving The City (Cranberries' Zombie)
Iиfected Uиicorn - Matushka Toska (Rammstein's Sonne)
Portwave - Oh! I'm So Tired (Cradle Of Filth's Bathory Aria)
Blvck Ceiling - She Is Not In Heaven (Madonna's Like A Prayer)
Радость Моя — Унывай душа моя(ансамбль Октай's Не унывай, не унывай душа моя)
ɪɲ ʕʰɘɼɾʏ ɟȺɱɨʟʮ - Люби Меня, Люби! (Alina Orlova's Golubi)
FUN∃RᐃL ‡ FLØW∃RS - YΛ NΞ ONI (Linda's Vorona)
∆XIUS LIИK - DBT (M.I.A.'s Double Bubble Trouble)
∆XIUS LIИK - KØHCTAHTA (I Blame Coco's The Constant)
Blvck Ceiling - Numb (Evanescence's Bring Me To Life)
Slammer - 』』『『 ☯₆⁶₆☯ 』』『『 (The Birthday Massacre's Down)
Slammer - Here (Era's Ameno)
SLAMER - † (Ellie Goulding's Lights)
Heretics - Call Me Maybe (Carly Rae Jepsen's Call Me Maybe)
PEAKi - Elastic Heart (Sia's Elastic Heart)
PEAKi - You Died That Day (Sia's I'm Alive)
Blvck Ceiling - Poor It Up (Rihanna's Pour It Up)
ŦHE LEFŦ HΔNĐ ƟF CⱤEΔŦĬƟN - LΞΔÐ MΞ IN†ʘ †ĦΞ LIGĦ† (Katy Perry's ET)
†Я▲СΣS ❍F GΗ❍5†5 - Äήâ...ţű ŋŏ ēŕèš ļō мєјοя ŢΉΕ РΆΪЛ ΙŠ ΉΔЯĎĒŔ (Ariana Grande's Love Me Harder)
ΣXIS†EMY - Inception (Sia's Elastic Heart)
ᑡlepsydra - Alphabet Void (Melanie Martinaz's Alphabet Boy)
Crespore - I Can Fly (Jet Fly's I Can Fly)
✝BL▲CK C∆T✝ - M▲LØ †ΣBY∆ (Serebro's Malo Tebya)
NKAOH - Tokio Drift (Teriyaki Boys' Tokyo Drift)
DΛTURΛ - F Λ D E D (Zhu's Faded)
DΛTURΛ - You Won't See Me Move No More (Sia's Elastic Heart)
Essex - Since The Flood (Grime's Genesis)
B▲N▲L ▲N▲L - Criminal (Britney Spears' Criminal)
27th - Aura (Sarah McLachlan's Fallen)
✝ϊms♄ - Orange Happiness You And I (Краски's Оранжевое солнц)
Blvck Ceiling - Lifea (Sharon Den Adel's In And Out Of Love)
Blvck Ceiling - Cool (Emma Hewitt's Crucify)
Blvck Ceiling - Runner (Emma Hewitt's These Days Are Ours)
Blvck Ceiling - Sight (The Cure's Lovesong)
Blvck Ceiling - Iminluvwithu (Leona Lewis' Bleeding Love)
Blvck Ceiling - We Burn (Captain Hollywood Project's More and More)
Blvck Ceiling - Cut Me Down (One Republic's Apologize)
Blvck Ceiling - Lent My Heart To You (Ladyhawke's Magic)
Blvck Ceiling - Summertime Sadness (Lana Del Rey's Summertime Sadness)
Blvck Ceiling - Dear Kingdom (Band Of Horses' The Funeral)
Greyscale Sound - August (Grimes' Genesis)
Mystxrivl - Going Under (Evanescence's Going Under)
Blvck Ceiling - Photos (Lady Gaga's Paparazzi)
Blvck Ceiling - Empty Halls (The Weeknd's Starboy)
De▲d Idols - Secluded (Nana's Lonely)
Blvck Ceiling - Pages (Justin Timberlake's Cry Me A River)
Blvck Celing - Bye Fernando (Lady Gaga's Alejandro)
De▲d Idols - U And Me (No Doubt's Don't Speak)
Octo Made - Ŷã tébŷã ñé õtdãm (Serebro's Ya Tebya Ne Otdam)
De▲d Idols - In And Out Of Love (Sharon Den Adel's Falling In And Out Of Love)
ɱ ɪ ʟ κ ƴVVΛY - Better Off Alone (Alice Deejay's Better Off Alone)
XLIEXCRYXDIEX - Better Off Alone (Alice Deejay's Better Off Alone)
Grim Service - STVN (Dido's Thank You)
Vitrea - Shout (Tears For Fears' Shout)
BLVCK CEILING - All I Ever Wanted (Depache Mode's Enjoy The Silence)
leXisuX - In My Head (4 Non Blondes' What's Going On)
Lunar Vison - No Heart (Катя Чехова's Я робот)
Bl▲k. Pan▲3l - Red Lips (Sam Bruno's Red Lips)
λ₴MѺÐ∆I ✞ - SIΛIΣΣ† DRΞ∆MS (Eurythmics' Sweet Dreams)
Portwave- Sh0w Me L0ve (t.A.T.u.'s Show Me Love)
Yedgar - Let Go (Frou Frou's Let Go)
Øfdream - Real Answer (Imogen Heap's Headlock)
Øfdream - The Great Beast (Cassie's Me & U)
△☓i∪s ¬iИк - WICCΛ (Kiss' I Was Made For Loving You)
DΛTURΛ - I Wish I Never Gave Up (Madonna's Like A Prayer)
Mugl X Fraunhofer Diffraction - Rain (Garbage's I'm Only Happy When It Rains)
BL▲K.:P▲N3L:.SKR↑P† - Po0cḪ̵͛ (Miley Cyrus' Party In The USA)