Marcelo Pennell is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1996 | Bleach | Space | Engineer, Mixed |
| 1997 | Code of Ethics | Soulbait | Mixed |
| 1998 | Carman | Mission 3:16 | Recorded |
| 1998 | Margaret Becker | Falling Forward | Engineer |
| 2000 | Russ Lee | Words in Time | Recorded |
| 2001 | NewSong | The Christmas Shoes | Mixed |
| 2016 | Take 6 | Believe | Mixed |
