Robert Cohen
| Název skladby | Stopáž | Album | Hlavní umělec | |
| What Now [Guy Scheiman Dub] | 07:05 | What Now [Remixes] | Rihanna | |
| What Now [R3hab Trapped Out Remix] | 03:33 | What Now [Remixes Part 2] | Rihanna | |
| What Now [R3hab Remix] | 04:53 | What Now [Remixes] | Rihanna | |
| What Now [R3hab Edit] | 03:24 | What Now [Remixes] | Rihanna | |
| What Now [R3hab Instrumental] | 04:53 | What Now [Remixes] | Rihanna | |
| What Now [Reflex Extended] | 03:34 | What Now [Remixes Part 2] | Rihanna | |
| What Now [Reflex Radio Edit] | 03:05 | What Now [Remixes Part 2] | Rihanna |