| edited |
|---|
| Amazed | assistant | Vanessa Hudgens & Lil Mama | 3:00 |
| Don’t Ask Why | assistant | Vanessa Hudgens | 3:10 |
| First Bad Habit | assistant | Vanessa Hudgens | 3:03 |
| Identified | assistant | Vanessa Hudgens | 3:21 |
| engineered |
|---|
| A Peace of Light | assistant | The Roots feat. Amber Coffman, Angel Deradoorian & Haley Dekle | 1:50 |
| Breath Away | assistant | Duffy | 4:12 |
| Dance for You | assistant | Beyoncé | 6:17 |
| DillaTUDE: The Flight of Titus | assistant | The Roots | 0:42 |
| Don’t Forsake Me | assistant | Duffy | 4:01 |
| Endlessly | assistant | Duffy | 2:59 |
| Girl | assistant | Duffy | 2:27 |
| Hard for the Heart | assistant | Duffy | 4:58 |
| Hot n Cold | | Katy Perry | 3:40 |
| I Kissed a Girl | | Katy Perry | 3:00 |
| I Kissed a Girl (Jason Nevins Funkrokr extended mix) | | Katy Perry | 6:51 |
| I Kissed a Girl (remix) | | Katy Perry | 3:30 |
| I Kissed a Girl (rock mix) | | Katy Perry | 3:01 |
| Keeping My Baby | assistant | Duffy | 2:50 |
| Lovestruck | assistant | Duffy | 2:52 |
| My Boy | assistant | Duffy | 3:27 |
| Tunnel Vision | assistant | The Roots | 0:41 |
| Well Well Well | assistant | Duffy | 2:43 |
| instruments |
|---|
| Broken Again | strings | Pharoahe Monch | 4:17 |
| instruments arranged |
|---|
| Broken Again | strings | Pharoahe Monch | 4:17 |
| mixed |
|---|
| Broken Again | | Pharoahe Monch | 4:17 |
| produced |
|---|
| Broken Again | | Pharoahe Monch | 4:17 |
| recording engineer for |
|---|
| Broken Again | | Pharoahe Monch | 4:17 |
| Hard Times | lead vocals [John Legend] | John Legend & The Roots feat. Black Thought | 5:16 |
| Hard Times | lead vocals [Black Thought] | John Legend & The Roots feat. Black Thought | 5:16 |
| The Fire | | The Roots feat. John Legend | 3:41 |
| The Unraveling | | The Roots feat. Raheem DeVaughn | 4:21 |
| Tomorrow | | The Roots feat. Raheem DeVaughn | 5:06 |
| Touch My Body | assistant | Mariah Carey | 3:25 |
| Wake Up Everybody | additional | John Legend & The Roots feat. Common & Melanie Fiona | 4:24 |
| wrote |
|---|
| Blue Motel | | | |
| Broken Again | | | |
| Long Way | | | |
