- Childlike Wildlife
- Childlike Wildlike - Live
- Christmas Valentine by Ingrid Michaelson & Jason Mraz
- Clockwatching prod. by Josh Deutsch, Kevin Kadish & Steve Lillywhite
- Collapsible Plans
- Common Pleasure
- Common pleasure - jimmy kimmel live! version
- Common Pleasure - Live at the Eagles Ballroom, Milwaulkee, WI, 10/28/2003
- Conversation With Myself
- Conversation With Myself (Live)
- Could I Love You Any More by Reneé Dominique prod. by Fabien Renoult, Josquin des Prez & Michael Natter
- Coyotes prod. by Martin Terefe
- Coyotes (From the For a Girl In New York Sessions) (Unreleased)
- Coyotes - Live
- Coyotes - Live at the Charter One Pavillion, Chicago, IL, 8/13/2009
- Cups / Flashlight / Titanium / Cheap Thrills / Since U Been Gone by Cimorelli prod. by Lauren Cimorelli
- Curbside Prophet prod. by John Alagia
- Curbside Prophet - Live at the Eagles Ballroom, Milwaulkee, WI, 10/28/2003
- Darling It's Over by A Great Big World & Jason Mraz