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Disc1
| 1 | Circus | Britney Spears | 3:12 |
| 2 | Circus (Tom Neville's Ringleader remix) | Britney Spears | 7:52 |
| 3 | Circus (Diplo Circus remix) | Britney Spears | 4:25 |
| 4 | Circus (Junior Vasquez Club Circus) | Britney Spears | 9:02 |
| 1 | Circus | Britney Spears | 3:12 |
| 2 | Circus (Tom Neville's Ringleader remix) | Britney Spears | 7:52 |
| 3 | Circus (Diplo Circus remix) | Britney Spears | 4:25 |
| 4 | Circus (Junior Vasquez Club Circus) | Britney Spears | 9:02 |