Michael Mellett is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1987 | Tempest | A Coming Storm | Songwriter, Keyboards |
| 1993 | Keith Brown | This Side of Heaven | Background Vocals |
| 1993 | Bruce Carroll | Walk On | Background Vocals |
| 1993 | Carman | The Standard | Background Vocals |
| 1993 | Billy Sprague | The Wind & The Wave | Background Vocals |
| 1994 | Bliss Bliss | Bliss Bliss | Background Vocals |
| 1994 | Kathy Troccoli | Kathy Troccoli | Background Vocals |
| 1994 | Gary Chapman | The Light Inside | Background Vocals |
| 1994 | Michael Card | Poiema | Background Vocals |
| 1994 | Amy Grant | House of Love | Background and Choir Vocals |
| 1994 | Patsy Moore | The Flower Child's Guide to Love and Fashion | Background Vocals |
| 1994 | Steve Camp | Mercy in the Wilderness | Background Vocals |
| 1995 | Tammy Trent | Tammy Trent | Background Vocals |
| 1995 | Gary Oliver | Gary Oliver | Choir |
| 1995 | Chris Eaton | Wonderful World | Background Vocals |
| 1995 | Ashley Cleveland | Lesson of Love | Background Vocals |
| 1995 | Scott Wesley Brown | Misson of Praise | Background Vocals |
| 1995 | Margaret Becker | Grace | Vocals |
| 1995 | Aaron Jeoffrey | Aaron Jeoffrey | Background Vocals |
| 1995 | Carolyn Arends | I Can Hear You | Background Vocals |
| 1995 | Michael W. Smith | I'll Lead You Home | The Choir |
| 1995 | Geoff Moore & The Distance | Home Run | Background Vocals |
| 1995 | Carman | R.I.O.T. | Choir Vocals, Background Vocals |
| 1996 | Bruce Carroll | Speed Of Light | Background Vocals |
| 1996 | Aaron Jeoffrey | After The Rain | Backing Vocals |
| 1996 | Gary Chapman | Shelter | Background Vocals |
| 1996 | Twila Paris | Where I Stand | Background Vocals |
| 1997 | Bruce Carroll | For The Record | Background Vocals |
| 1997 | Michael Card | Unveiled Hope | Backing Vocals |
| 1997 | Chris Rice | Deep Enough To Dream | Background Vocals |
| 1998 | Carman | Mission 3:16 | Background Vocals, Street Singer, Choir Vocals, Contractor |
| 1999 | Charlie Peacock | Kingdom Come | Background Vocals |
| 1999 | Avalon | In a Different Light | Vocal Arrangements |
| 2000 | Don Moen | I Will Sing | Vocal Arrangements, Vocals |
| 2000 | Buddy Greene | Re: Sinners and Saints | Background Vocals |
| 2000 | Carolyn Arends | Seize The Day & Other Stories | Background Vocals |
| 2000 | Jonathan Pierce | Sanctuary | Vocal Arrangements, Background Vocals |
| 2000 | Salvador | Salvador | Background Vocals |
| 2000 | Michael Card | Soul Anchor | Background Vocals |
| 2001 | Greg Long | Now | Background Vocals |
| 2001 | Steven Curtis Chapman | Declaration | Vocals |
| 2002 | Eoghan Heaslip | Mercy | Engineer, Vocal Arrangements, Vocals |
| 2005 | Bruce Carroll | Big World | Background Vocals |
| 2005 | Bart Millard | Hymned | Arrangements, Editing |
| 2006 | MercyMe | Coming Up To Breathe | Choir |
