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| Label: | RCA RDJ 65449-2 |
| Genre: | Pop |
| Format: | CD (Single , Promo) |
| 1 | Big Mistake (Radio Edit) | 3:54 |
| 2 | Big Mistake (Album Version) | 4:32 |
| 3 | Torn (Acoustic MTV Unplugged) | 3:06 |
| 4 | Big Mistake (Suggested Call Out Hook #1) | 0:10 |
| 5 | Big Mistake (Suggested Call Out Hook #2) | 0:11 |
| Label: | RCA 74321 56705 2 |
| Genre: | Rock |
| Style: | Pop Rock |
| Format: | CD (Single) |
| 1 | Big Mistake | 4:35 |
| 2 | Torn (Accoustic MTV Unplugged) | 3:06 |
| Label: | RCA 74321566782 |
| Genre: | Rock |
| Style: | Acoustic, Pop Rock |
| Format: | CD (Single , Enhanced) |
| 1 | Big Mistake » Mixed By: Bob Salcedo » Producer, Written-By: Mark Goldenberg » Written-By: Natalie Imbruglia | 4:35 |
| 2 | Something Better » Producer, Written-By: Phil Thornalley » Written-By: Boo Hewerdine, Natalie Imbruglia | 4:05 |
| 3 | Torn (Acoustic MTV Unplugged) » Written-By: Anne Preven, Phil Thornalley, Scott Cutler | 3:05 |
| Video | Big Mistake | 4:21 |
| Label: | RCA 74321566792 |
| Genre: | Rock |
| Style: | Soft Rock, Pop Rock |
| Format: | CD (Single , Limited Edition) |
| 1 | Big Mistake » Mixed By: Bob Salcedo » Producer, Written-By: Mark Goldenberg | 4:35 |
| 2 | I've Been Watching You » Written-By: Charlie Midnight, Eric Jackson | 4:03 |
| 3 | Tomorrow Morning » Written-By: Steve Booker | 3:00 |
| Label: | RCA 743215674528 |
| Genre: | Rock |
| Style: | Acoustic, Pop Rock |
| Format: | CD (Single) |
| 1 | Big Mistake » Mixed By: Bob Salcedo » Producer, Written-By: Mark Goldenberg » Written-By: Natalie Imbruglia | 4:35 |
| 2 | Torn (Acoustic MTV Unplugged) » Written-By: Anne Preven, Phil Thornalley, Scott Cutler | 3:06 |
| 3 | Something Better » Producer, Written-By: Phil Thornalley » Written-By: Boo Hewerdine, Natalie Imbruglia | 4:05 |
| 4 | Tomorrow Morning | 3:00 |
| Label: | RCA 74321566784 |
| Genre: | Rock |
| Style: | Acoustic, Pop Rock |
| Format: | Cassette (Single) |
| 1 | Big Mistake » Mixed By: Bob Salcedo » Producer, Written-By: Mark Goldenberg » Written-By: Natalie Imbruglia | 4:35 |
| 2 | Something Better » Producer, Written-By: Phil Thornalley » Written-By: Boo Hewerdine, Natalie Imbruglia | 4:05 |
| Label: | RCA BIGM1 |
| Genre: | Rock |
| Style: | Pop Rock |
| Format: | CD (Single , Promo) |
| 1 | Big Mistake (Radio Edit) |
| Label: | BMG 21566787JB |
| Genre: | Rock |
| Style: | Pop Rock |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Big Mistake | 4:35 |
| B | Something Better | 4:05 |