| Song | Album | Artist | Year |
| "Blood on the Door" | Breadcrumb Sins | Jamie Saft | 2002 |
| "You Stand Above Me" – Antony (1:36) | Live at St. Olaves | split EP with Current 93 | 2003 |
| "The Lake" – Antony (4:48) |
| "Cripple and the Starfish" – Antony (4:51) |
| "Perfect Day" | The Raven | Lou Reed | 2003 |
| "Candy Says" | Animal Serenade | Lou Reed | 2004 |
| "A Little Bit of Time" | Red Tape | Brooks | 2004 |
| "Old Whore's Diet" | Want Two | Rufus Wainwright | 2004 |
| "Beautiful Boyz" | Noah's Ark | CocoRosie | 2005 |
| "Happy Xmas (War Is Over)" with Boy George | Help!: A Day in the Life | War Child album | 2005 |
| "Idumea" / "The Beautiful Dancing Dust" | Black Ships Ate the Sky | Current 93 | 2006 |
| (several) | Songs from the Coalmine Canary | Little Annie | 2006 |
| "Semen Song for James Bidgood" | The Rose Has Teeth in the Mouth of a Beast | Matmos | 2006 |
| "Nighttime And Morning" | Desert Doughnuts | Metallic Falcons | 2006 |
| "I Defy" | Real Life | Joan as Policewoman | 2006 |
| "If It Be Your Will" | Leonard Cohen: I'm Your Man | Leonard Cohen tribute | 2006 |
| "One More Try" | Dial 0 | My Robot Friend | 2006 |
| "Living the Blues" | Trouble: The Jamie Saft Trio Plays Bob Dylan | Jamie Saft Trio | 2006 |
| "Lowlands Low" | Rogue's Gallery: Pirate Ballads, Sea Songs, and Chanteys | Bryan Ferry | 2006 |
| "Leave Her Johnny" | Rogue's Gallery: Pirate Ballads, Sea Songs, and Chanteys | Lou Reed | 2006 |
| "Keep in Touch" | Speaks Volumes | Nico Muhly | 2006 |
| "All There Is to Tell" | Golden Boy | Reuben Butchart | 2007 |
| "The Dull Flame of Desire" / "My Juvenile" | Volta | Björk | 2007 |
| "The Ballad of the Sad Young Men" | Stardom Road | Marc Almond | 2007 |
| "Beauty" | Versatile Heart | Linda Thompson | 2007 |
| "Knockin' on Heaven's Door" | I'm Not There | soundtrack | 2007 |
| (all) | The Snow Abides | Michael Cashmore | 2007 |
| "God with No Tear" | Visionaire | 53 Sound | 2007 |
| "Del suo veloce volo" | Fleurs 2 | Franco Battiato | 2008 |
| "Ooh Baby Baby" | Easy Come, Easy Go | Marianne Faithfull | 2008 |
| "Will I Ever Learn" | Was muss muss | Herbert Grönemeyer | 2008 |
| "Be Good to Earth This Season" with Kría Brekkan | split 7-inch single | Reverend Green | 2008 |
| "I Was Young When I Left Home" | Dark Was The Night | charity album | 2009 |
| "Forgiveness" | Heart | Elisa | 2009 |
| "Nessun Dorma" | Lavazza campaign | with The Roma Sinfonietta Orchestra | 2009 |
| "Stranger Perfumes" & "Another Day in America" | Homeland | Laurie Anderson | 2010 |
| "Fletta" | Swanlights | Björk | 2010 |
| "Returnal" | Returnal | Oneohtrix Point Never | 2010 |
| "Who am I to feel so free?" | Talk About Body | MEN | 2011 |
| "Prisoner of Love" | See the Light | Jessica 6 | 2011 |
| "Tearz for Animals" | We Are on Fire – Single | CocoRosie | 2012 |
| "Particle of Light" | See You on the Ice | Carice van Houten | 2012 |
| "Janitor of Lunacy" | Desertshore / The Final Report | X-TG | 2012 |
| "Poison" | Tales of a GrassWidow | CocoRosie | 2013 |
| "Mourned Winter Then" | I Am the Last of All the Field That Fell: A Channel | Current 93 | 2014 |
| "Atom Dance" | Vulnicura | Björk | 2015 |
| "Indian Steps" | Lantern | Hudson Mohawke | 2015 |
| "Manta Ray" | Racing Extinction | J. Ralph | 2015 |
| "Smoke 'em Out" | single | CocoRosie | 2017 |
