Greg Simpson

- The Watchmen
- EFY 1999 - A Season for Courage · 1999
- Escalator Boy (feat. Greg Simpson, Lincoln McCord & Sarah Harwood)
- Year of the Muffin, Vol. 1 · 2020
- Harold (feat. Greg Simpson & Claire Tchoula)
- Bastard Americana · 2018
- Bastard Americana (feat. Liz Sloan, Jared McGovern & Greg Simpson)
- Bastard Americana · 2018
- Northern Lights (feat. Alex Mason & Greg Simpson)
- Bastard Americana · 2018
- Rescue MC (Stomp Save n' Sway Mix)
- Especially for Dance · 2004
- Goodbye Babylon (Roots Greggac Dub)
- Especially for Dance · 2004
- Oh Israel
- Efy 2003 - Look and Live · 2003
- I'll Be Waiting
- Unspoken · 2003
- Never Enough
- Unspoken · 2003
- Unspoken
- Unspoken · 2003
- If You Want Me To
- Unspoken · 2003
- Rescue Me
- Unspoken · 2003