| # | Title | Rating | Length |
|---|
| C1 | The One That Got Away | 4.3 | 3:47 |
| C2 | E.T.- programming and producer:
- Ammo , Dr. Luke and Max Martin
- assistant engineer:
- Aniela Gottwald and Tim Roberts
- engineer:
- John Hanes , Sam Holland and Emily Wright
- mixer:
- Serban Ghenea
- drums (drum set) and keyboard:
- Ammo , Dr. Luke and Max Martin
- vocals:
- Katy Perry
- phonographic copyright (℗) by:
- Capitol Records, LLC (in 2012)
- recorded at:
- Conway Recording Studios in Hollywood
- mixed at:
- MixStar Studios in Virginia Beach
- part of:
- Billboard Year-End Hot 100 singles of 2011 (number: 4)
- recording of:
- E.T.
- writer:
- Łukasz Gottwald, Joshua Coleman , Max Martin and Katy Perry
- publisher:
- Maratone, MXM Music AB, Each Note Counts (in 2010, in 2012), Kasz Money Publishing (in 2010, in 2012), Maratone AB (in 2010, in 2012), Prescription Songs (in 2010, in 2012) and When I’m Rich You’ll Be My Bitch (in 2010, in 2012)
| 3.85 | 3:27 |
| C3 | Who Am I Living For?- drums (drum set) programming:
- Brian "B-LUV" Thomas and C. "Tricky" Stewart
- sound engineer:
- Andrew Wuepper
- additional engineer:
- Pat Thrall
- assistant engineer:
- Steven Dennis , Mark Gray , Luis Navarro , Jason Sherwood and Randy Urbanski
- engineer:
- Brian "B-LUV" Thomas and Andrew Wuepper
- producer:
- C. "Tricky" Stewart and Kuk Harrell
- assistant mixer:
- Giancarlo Lino
- mixer:
- Jaycen-Joshua
- guitar:
- Brent Paschke and Michael Thompson
- keyboard:
- C. "Tricky" Stewart and Monte Neuble
- vocals:
- Katy Perry
- phonographic copyright (℗) by:
- Capitol Records, LLC (in 2012)
- recorded at:
- Studio at the Palms in Paradise, The Boom Boom Room in Burbank and Triangle Sound Studios in Atlanta
- mixed at:
- Larrabee Studios in North Hollywood
- recording of:
- Who Am I Living For?
- writer:
- Lamont Neuble, Katy Perry, Christopher Stewart and Brian “B‐Luv” Thomas
- publisher:
- OSS Creations (in 2010), OSS Music (in 2010), RZE Music Publishing (in 2010), Songs of Universal, Inc. (in 2010), Universal Music Corp. (in 2010) and When I’m Rich You’ll Be My Bitch (in 2010)
| 2.5 | 4:09 |
| D1 | Pearl | 2.4 | 4:08 |
| D2 | Hummingbird Heartbeat- recording engineer:
- Brian "B-LUV" Thomas (guitar), Chris "TEK" O'Ryan (guitar) and Andrew Wuepper (guitar)
- drums (drum set) programming:
- C. "Tricky" Stewart and Pat Thrall
- sound engineer:
- Andrew Wuepper
- additional engineer:
- Pat Thrall
- assistant engineer:
- Steven Dennis , Nicolas Essig, Luis Navarro , Tim Roberts and Randy Urbanski
- engineer:
- Brian "B-LUV" THomas , Chris "TEK" O'Ryan, Steve Churchyard (drums (drum set)), John Hanes and Andrew Wuepper
- producer:
- C. "Tricky" Stewart and Kuk Harrell
- mixer:
- Serban Ghenea
- bass:
- Michael Thompson
- drums (drum set):
- Josh Freese
- guitar:
- Brent Paschke and Michael Thompson
- keyboard:
- C. "Tricky" Stewart and Monte Neuble
- vocals:
- Katy Perry
- phonographic copyright (℗) by:
- Capitol Records, LLC (in 2012)
- recorded at:
- Henson Recording Studios in Hollywood, Studio at the Palms in Paradise, The Boom Boom Room in Burbank and Triangle Sound Studios in Atlanta
- mixed at:
- MixStar Studios in Virginia Beach
- recording of:
- Hummingbird Heartbeat
- writer:
- Stacy Barthe , Lamont Neuble, Katy Perry and Christopher Stewart
- publisher:
- Songs of Universal, Inc. , OSS Music (in 2010), RZE Music Publishing (in 2010), StacySongs (in 2010), Universal Music Corp. (in 2010), Universal Music Publishing (in 2010) and When I’m Rich You’ll Be My Bitch (in 2010)
| 2 | 3:32 |
| D3 | Not Like the Movies | 3.15 | 4:01 |
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