Judith Volz is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1999 | Phil Keaggy | Still Life / Music to Paint By | Producer |
| 1999 | Phil Keaggy | Brushstrokes / Music to Paint By | Producer |
| 1999 | Phil Keaggy | Electric Blue / Music to Paint By | Producer |
| 1999 | Phil Keaggy | Splash / Music to Paint By | Producer |
| 1999 | Phil Keaggy | Majesty and Wonder: An Instrumental Christmas | Executive Producer |
| 1999 | Phil Keaggy | An Angel's Christmas | Producer |
| 2000 | Phil Keaggy | Lights of Madrid | Producer |
| 2001 | Phil Keaggy | Songs About What Matters | Executive Producer |
| 2001 | Pete Orta | Born Again | Executive Producer |
