Official "Circus" Track's Details

01. Womanizer
02. Circus
03. Out From Under
04. Kill The Lights
05. Shattered Glass
06. If U Seek Amy
07. Unusual You
08. Blur
09. Mmm Papi (feat. Let's Go To War)
10. Mannequin
11. Lace And Leather
12. My Baby
13. Radar

EAN/UPC: 886974038726
EAN/UPC: 886974077626 (Ltd.)

Release: 28 Nov 2008

WOMANIZER - Main Version
Written by: Briscoe, Nikesha / Akinyemi, Rafael
Produced by: K. Briscoe / The Outsyders

CIRCUS - Main Version
Written by: Claude Kelly / Gottwald, Lukasz / Levin, Benjamin
Produced by: Blanco, Benny / Dr. Luke
Guitar: Gottwald, Lukasz
Keyboards: Blanco, Benny / Gottwald, Lukasz
Percussion: Blanco, Benny / Gottwald, Lukasz
Background vocals: Claude Kelly / Dennis, Cathy / Marie, Myah

OUT FROM UNDER - Main Version
Written by: Birgisson, Arnthor / Hector, Wayne / Peiken, Shelly
Produced by: Sigsworth, Guy
Guitar: Page, Andy
Keyboards: Sigsworth, Guy
Strings: Sigsworth, Guy
Background vocals: Haywood, Leah

KILL THE LIGHTS - Main Version
Written by: Araica, Marcella / Boyd, Luke / Hills, Nathaniel / Washington, James
Produced by: Danja / Beanz, Jim

SHATTERED GLASS - Main Version
Written by: Claude Kelly / Gottwald, Lukasz / Levin, Benjamin
Produced by: Blanco, Benny / Dr. Luke / Claude Kelly
Keyboards: Blanco, Benny / Gottwald, Lukasz
Percussion: Blanco, Benny / Gottwald, Lukasz
Guitar: Gottwald, Lukasz
Background vocals: Claude Kelly / Wagner, Windy

IF U SEEK AMY - Main Version
Written by: Kotecha, Savan / Kronlund, Alexander / Martin, Max / Shellback
Produced by: Martin, Max
Background vocals: Kinnda / Martin, Max / Spears, Britney

UNUSUAL YOU - Main Version
Written by: Jonback, Henrik / Karlsson, Christian / Livingston, Kasia / Pontus Winnberg
Produced by: Bloodshy & Avant
Guitar: Bloodshy & Avant / Jonback, Henrik
Keyboards: Bloodshy & Avant
Background vocals: Livingston, Kasia

BLUR - Main Version
Written by: Araica, Marcella / Barthe, Stacy / Hills, Nathaniel
Produced by: Danja
Background vocals: Boyd, Luke

MMM PAPI - Main Version
Main Artist: Spears, Britney / Let's Go To War
Written by: Gough, Adrien / Nicole Morier / Peter-John Kerr / Spears, Britney / Walter, Henry
Produced by: Let's Go To War / Nicole Morier
Guitar: Worthy, Chris

MANNEQUIN - Main Version
Written by: Fauntleroy II, James / Knox, Rob / Mason, Jr.,Harvey
Produced by: Knox, Rob / Mason, Jr.,Harvey

LACE AND LEATHER - Main Version
Written by: Gottwald, Lukasz / Levin, Benjamin / Jackson, Ronnie / Storm, Frankie
Produced by: Blanco, Benny / Dr. Luke / Claude Kelly
Keyboards: Blanco, Benny / Gottwald, Lukasz
Percussion: Blanco, Benny / Gottwald, Lukasz
Guitar: Gottwald, Lukasz
Background vocals: Nova, Debi / Sebert, Kesha

MY BABY - Main Version
Written by: Sigsworth, Guy / Spears, Britney
Produced by: Sigsworth, Guy
Guitar: Page, Andy
Piano: Page, Andy
Stings: Page, Andy

RADAR - Main Version
Written by: Karlsson, C. / P. Winnberg / H. Jonback / Lewis, E. / Muhammad, B. / Nelson, C. / Que, J.
Produced by: Bloodshy & Avant
Guitar: Bloodshy & Avant
Keyboards: Bloodshy & Avant

Source: Here!

"Circus" Track Details

01.Womanizer (N.Briscoe/R.Akinyemi) Produced by The Outsyders
02.Circus (L.Gottwald/M.Martin/B.Spears) Produced by Dr.Luke Co-Produced by Benny Blanco
03.Out From Under (N.Hills/J.Washington/K.Hilson/M.Araica) Produced by Danja for Danjahandz Productions Inc.
04.Kill The Lights (N.Hills/J.Washington/K.Hilson/M.Araica) Produced by Danja for Danjahandz Productions Inc.
05.Shattered Glass (G.Sigsworth/A.Stamatelatos/B.Spears) Produced by Guy Sigsworth
06.If U Seek Amy (S.Garrett/J.Que/C.Nelson/B.Muhammad/E.Lewis/L.Jefferson/B.Spears) Produced by Lil John
07.Unusual You (S.Garrett/C.Karlsson/D.Eriksen/P.Winnberg/C.Nelson) Produced by Bloodshy & Avant
08.Blur (S.Germanotta/R.Jerkins) Produced by Rodney "Darkchild" Jerkins
09.Mmm Papi (R.Jerkins/B.Spears/L.Daniels/J.Enriquez) Produced by Rodney "Darkchild" Jerkins
10.Mannequin (H.Mason/D.Thomas/J.Fauntleroy/E.Dawkins/A.Dixon) Produced by The Underdogs
11.Lace and Leather (K.Åhlund/C.Karlsson/C.Nelson/P.Winnberg) Produced by Bloodshy & Avant
12.My Baby (B.Spears/G.Sigsworth) Produced by Guy Sigsworth
Bonus Track
13.Radar (C.Karlsson/P.Winnberg/H.Jonback/B.Muhammad/C.Nelson/E.Lewis/J.Que) Produced by Bloodshy & Avant

Lady Gaga = S.Germanotta

Source: Here!