Bob Horn is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1998 | Nikki Leonti | Shelter Me | Assistant Engineer |
| 1999 | Scarecrow & Tinmen | No Place Like Home | Additional Engineer |
| 1999 | John Elefante | Defying Gravity | Assistant Engineer |
| 1999 | The Darins | Darins | Additional Engineer |
| 2000 | Russ Lee | Words in Time | Recorded |
