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| Label: | Reprise Records PR017280 |
| Genre: | Rock |
| Style: | Pop Rock |
| Format: | CDr (Single , Promo) |
| 1 | 21 Guns (Radio Edit) |
| Label: | Reprise Records W817 |
| Genre: | Rock |
| Style: | Alternative Rock, Indie Rock |
| Format: | Vinyl (7" , Single , Limited Edition) |
| A | 21 Guns » Engineer: Chris Dugan » Mixed By: Chris Lord-Alge » Producer: Butch Vig | |
| B | Favorite Son » Engineer, Mixed By: Doug McKean » Producer: Rob Cavallo |
| Label: | Reprise Records PRO-CDR-520214 |
| Genre: | Rock |
| Style: | Pop Rock |
| Format: | CD (Single , Promo) |
| 1 | 21 Guns (Edit) | 4:35 |
| Label: | Reprise Records PRO-CDR-523676 |
| Genre: | Rock |
| Style: | Pop Rock |
| Format: | CD (Single , Promo) |
| 1 | 21 Guns » Featuring: Cast Of American Idiot, The | 4:40 |
| Label: | Reprise Records 5439 - 19876 - 0 |
| Genre: | Rock |
| Style: | Alternative Rock, Pop Rock |
| Format: | CD (Maxi-Single) |
| 1 | 21 Guns | |
| 2 | Favorite Son | |
| Label: | Reprise Records 9362-49736-7 |
| Genre: | Rock |
| Style: | Alternative Rock, Pop Rock |
| Format: | CD (Maxi-Single) |
| 1 | 21 Guns » Engineer: Chris Dugan » Mixed By: Chris Lord-Alge » Producer: Butch Vig, Green Day | 5:23 |
| 2 | Favorite Son » Engineer, Mixed By: Doug McKean » Producer: Green Day, Rob Cavallo | 2:08 |
| 3 | 21 Guns (Verizon Studio 880 Session) » Engineer, Mixed By: Chris Dugan | 5:16 |
| Label: | Reprise Records none |
| Genre: | Rock |
| Style: | Pop Rock |
| Format: | 3 File (MP3) |
| 1 | 21 Guns Green Day Featuring Cast Of American Idiot, The | 4:41 |
| 2 | 21 Guns Green Day | 5:22 |
| 3 | 21 Guns (Live In Japan) Green Day | 5:02 |