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| Label: | Interscope Records 2754634 |
| Genre: | Hip Hop |
| Format: | CD (Single) |
| 1 | Check It Out! | |
| 2 | Check It Out! (Special Mix - Will.I.Am, Nicki Minaj & Cheryl Cole) |
| Label: | Universal Motown NICK0322 |
| Genre: | Hip Hop |
| Style: | RnB/Swing |
| Format: | Vinyl (12") |
| A1 | Check It Out (Main) | 4:13 |
| A2 | Check It Out (Instrumental) | 4:13 |
| A3 | Check It Out (Intro Edit) | 4:25 |
| B1 | Roman's Revenge » Rap [Featuring]: Eminem | 4:38 |
| B2 | Blow Ya Mind | 3:41 |
| B3 | Right Through Me | 3:56 |
| B4 | Ice Cream Man | 2:59 |
| Label: | Hollywood (3) Hollywood 17 |
| Genre: | Electronic, Hip Hop |
| Style: | RnB/Swing, Electro |
| Format: | Vinyl (12" , 33 ⅓ RPM , Picture Disc , Unofficial Release) |
| A1 | Check It Out (Extended Mixshow) | 5:16 |
| A2 | Check It Out (Benny Benassi Remix) » Remix: Benny Benassi | 5:58 |
| B1 | Check It Out (Tommie Sunshine 5AM Remix) » Remix: Tommie Sunshine | 5:22 |
| B2 | Check It Out (Shameboy Remix) » Remix: Shameboy | 5:13 |
| Label: | Interscope Records WILLIAM3 |
| Genre: | Hip Hop |
| Style: | RnB/Swing |
| Format: | CD (Single , Promo) |
| 1 | Check It Out! (Radio Mix) | 3:58 |
| 2 | Check It Out! (Main) | 4:12 |
| Label: | will.i.am Music Group none |
| Genre: | Electronic, Pop |
| Style: | House |
| Format: | CDr (Single , Promo) |
| 1 | Check It Out (Clean Radio Mix) | 3:54 |
| Label: | Interscope Records none |
| Genre: | Electronic, Pop |
| Style: | House |
| Format: | File (MP3) |
| 1 | Check It Out! (Main) | 4:12 |
| Label: | Interscope Records none |
| Genre: | Electronic, Pop |
| Style: | Electro House |
| Format: | 2 File (MP3) |
| 1 | Check It Out! (Benny Benassi Remix) » Remix: Benny Benassi | 5:55 |
| 2 | Check It Out! (Shameboy Remix) » Remix: Shameboy | 5:11 |