Guest appearances/Collaborations
| Cover | Date | Artist | Title | Type of release | Formats |
|---|---|---|---|---|---|
 | 20/10/2017 | Various Artists | Tegan And Sara Present The Con X: Covers | Compilation | |
 | 04/03/2016 | La Sera | Music For Listening To Music To | Album | |
 | 02/06/2015 | Chris Stamey | Euphoria | Album | |
 | 02/02/2015 | Butch Walker | Afraid Of Ghosts | Album | |
 | 12/08/2014 | Ethan Johns | The Reckoning | Album | |
 | 29/07/2014 | Jenny Lewis | The Voyager | Album | |
 | 15/10/2013 | Fall Out Boy | PAX-AM Days | EP | |
 | 00/11/2012 | Ethan Johns | If Not Now Then When? | Album | |
 | 16/11/2010 | Norah Jones | ...Featuring | Album | |
 | 26/05/2009 | Mandy Moore | Amanda Leigh | Album | |
 | 31/10/2006 | Willie Nelson | Songbird | Album | |
 | 00/00/2004 | Jesse Malin | Messed Up Here Tonight | Live Album | |
 | 16/07/2002 | Beth Orton | Daybreaker | Album | |
 | 08/07/2002 | Counting Crows | Hard Candy | Album | |
 | 00/00/2002 | Caitlin Cary | While You Weren't Looking | Album | |
 | 21/08/2001 | Bellvue | To Be Somebody | Album | |
 | 20/07/2001 | Stateside | Twice As Gone | Album | |
 | 05/06/2001 | Lucinda Williams | Essence | Album | |
 | 24/04/2001 | Alejandro Escovedo | A Man Under The Influence | Album | |
 | 00/00/2001 | Ida Kristin | Stumble | Album | |
 | 01/08/2000 | Caitlin Cary | Waltzie | EP | |
 | 22/02/2000 | Neko Case & Her Boyfriends | Furnace Room Lullaby | Album |