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Disc1
| 1 | The Hollow (mix 2001) | A Perfect Circle | 3:19 |
| 2 | The Hollow (album version) | A Perfect Circle | 3:02 |
| 3 | Call Out Hook #1 | A Perfect Circle | 0:27 |
| 4 | Call Out Hook #2 | A Perfect Circle | 0:26 |
| 5 | [unknown] | A Perfect Circle | 0:22 |
| 1 | The Hollow (mix 2001) | A Perfect Circle | 3:19 |
| 2 | The Hollow (album version) | A Perfect Circle | 3:02 |
| 3 | Call Out Hook #1 | A Perfect Circle | 0:27 |
| 4 | Call Out Hook #2 | A Perfect Circle | 0:26 |
| 5 | [unknown] | A Perfect Circle | 0:22 |