Some of the songs Jo has released/ recorded as a solo artist.
| Song | Common Source |
| 7 Seconds | Solid HarmoiE Unreleased Track |
| A Million Love Songs | Unreleased Track |
| All That I Am | Unreleased Track |
| Amazed | Unreleased Track |
| Baby I’m A Fool | Relentless Album |
| Blue Today | Unreleased Track |
| Bring Him Home | Showtime At The Stadium 2001 |
| Dancing In The Street | Brain Conley Show |
| Don’t Wanna Let You Down (duet with Lee Ryan) | Unreleased Track |
| Dream | Party in The Park 1999 |
| Every Kinda People | The Guru Soundtrack |
| Fame | Club Song |
| Flashdance (What A Feeling) | Club Song |
| Hold Me, Thrill Me, Kiss Me | Club Song |
| Hopelessly Devoted To You | Club Song |
| I Chose You | Unreleased Track |
| I Believe In You | Relentless Album |
| I’m Sorry | Club Song |
| Incurable | Unreleased Track |
| It Felt Like Love | Relentless Album |
| It’s Your Love | Relentless Album |
| Lets Love | Relentless Album |
| Lets Love [Metro Mix] | What Hurts The Most [UK] Disc 2 |
| Love Is All Around | Club Song |
| Go Your Own Way | Unreleased Track |
| Never Felt Like This | Relentless Album |
| Never Meant To Break Your Heart | Relentless Album |
| One Girl's View | Unreleased Track |
| Rainbow’s End | Relentless Album |
| Relentless | Relentless Album |
| Stay | 2_4Family Stay [German Release] |
| Taxi Cab | Unreleased Track |
| That's Where I Belong | Relentless Album |
| The First Time | What Hurts The Most [UK] Disc 1 |
| The Meaning of Love | Unreleased Track |
| These Dreams | Unreleased Track |
| Time To | Unreleased Track |
| To Ease Your Pain | Relentless Album |
| You Didn’t Know [Album Release] | Relentless Album |
| You Didn’t Know [Original] | Unreleased Track |
| Young Hearts Run Free | Discomania 2 |
| What Hurts The Most | Relentless Album |
| Where The Boys Are | Club Song |
| Wind Beneath My Wings | Club Song |
| Wish I Was Over You | Relentless Album |