Phil Barker is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1997 | Iona | Live - Heaven's Bright Sun | Fretless and Fretted Basses |
| 1999 | Joanne Hogg | Looking Into Light | Bass |
| 2000 | Iona | Open Sky | Songwriter, Bass |
| 2000 | Iona | Woven Cord | Bass |
| 2002 | Eoghan Heaslip | Mercy | Bass |
| 2008 | Iona | Live in London | Songwriter, Bass Guitars |
