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Dänemark| Label: | London Records 570 207-2 |
| Genre: | Rock |
| Style: | Alternative Rock, Pop Rock |
| Format: | CD (Single) |
| 1 | Sing-A-Long (Radio Edit) | 3:42 |
| 2 | I'm Over It | 1:48 |
| 3 | Callhimin | 5:02 |
| 4 | Photo Finger | 3:59 |
| Label: | London Records 044 079-2 |
| Genre: | Rock |
| Style: | Alternative Rock, Pop Rock |
| Format: | CD (Single , Enhanced) |
| 1 | Sing-A-Long (Album Version) | 4:19 |
| 2 | Sing-A-Long (Post Team Audit Mix) | 4:23 |
| 3 | Singing Out Of Tune (Literally, In A Castle) | 3:50 |
| 4 | Number One (Radio Edit) | 3:21 |
| Video | Number One |
| Label: | London Records TY 7 |
| Genre: | Rock |
| Style: | Indie Rock |
| Format: | Vinyl (7" , Picture Disc) |
| A | Sing-A-Long | |
| B | I'm Over It |
| Label: | London Records TY7 |
| Genre: | Rock |
| Format: | Vinyl (7" , Picture Disc) |
| A | Sing-A-Long (Radio Edit) | |
| B | I'm Over It |