Defiant (2019)

backing vocals op 4 van de 9 tracks.

Gemini (2009)

keyboards en/of backing vocals op 5 van de 12 tracks.

Fallin' upon Def Ears (2006)

keyboards op 4 van de 11 tracks.

Move on (2006)

keyboards op alle tracks.

Step one (2005)

keyboards op de track.