Pre-Cult 1979-1983 (BD)
- Studio Sweethearts - I Believe 7" UK DJS10915
- Studio Sweethearts - I Believe 7" GER .0034.205 ('Studio Sweethearts' miscredited as 'Slaughter And The Dogs')
- Lonesome No More - Turned Insane 7" UK RAGE3
Theatre Of Hate
- He Who Dares Wins - Live in Berlin LP UK SSSSS2P Live LP - You Have A Choice
- The Hop 7" UK BRR3
- Ten Years After CD UK MAUCD637
Collaborations (BD)
1992
- Ruby Trax - The NME's Roaring Forty - V/A, CDx3, UK, NME40CD, BD & Johnny Marr contribute with a track 'The Good, The Bad And The Ugly'
2002
- Circus Diablo - S/T, CD, AUS, KOC-CD-4400
2003
- Dead Men Walking - live at Leeds, UK 20/07/2003, CD, UK, RESISTANCE 002
2009
- Owl - S/T, CD, USA, 6 43237 01020 8, Billy lead guitar on 'Sky Rocket'
2020 ReMission International - TOS2020
- 12", EU, SPV 243541 LP, gold vinyl
- 12", EU, SPV 243541 LP, black vinyl
- CDS, EU, SPV 243542 CD-EP
Collaborations (IA)
1989 w/ Fuzztones
- In Heat, Ltd. Ed. 1989 tour souvenir, 10", UK, SIT61P, picture disc, Ian vocals on 'Down On The Street'
1989
- Harry, Deborah - Def, Dumb & Blonde, CD, HOL, 3 21650 2, Ian vocals on `Lovelight´
- Jones, Steve - Fire And Gasoline, CD, USA, MCAD6298, produced by Ian, contribution to ´I did u no wrong´
1991
- Four Horsemen, The - Nobody Said It Was Easy, CD, USA, 9 26561-2, Ian contributes tambourine and backing vocals
1993
- Messiah - 21st Century Jesus, CD, USA, 9 45168-2, Ian lends his vocals to the track ‘Creator’
1993
- Circus Of Power - Magic & Madness, CD, USA, CK 48871, Ian lends his vocals to the track ´Shine´
1999
- Zen Mafia - California, CDS, USA, RDJ 65840-2, chorus/ad lib vocals by Ian
2000
- Iommi, Tommi w/ Ian Astbury - Flame on, CDS, USA, acetate 1-track, 'Rent a Label', no sleeves
2001
- Zilch - Skyjin, CD, JAP, CTCR-17071, IA vocals on: Hide And Seek, Make The Motherfuckers Wake Up, and Tekmotophychosister - Virusmaker7
2000
- Stoned Immaculate – The Music of the Doors, CD, USA, 7559-62475-2, Wild Child (The Cult) and Touch Me (Ian)
2003
- The Doors of the 21st Century - Live in Hollywood New Year's Eve 2004, CDx3, USA, #100/1000
2001
- Doors: a celebration VH-1 storytellers, DVD, EU, 883049, Ian sings Whiskey Bar, Back Door Man and Wild Child
2003
- The Doors of the 21st Century - LA Woman Live, DVD, EU, 82876 6132309
-
MC5 - Sonic Revolution - a celebration of DVD EU .82876 613229 Live at the 100 Club, London - Ian appears on 'Kick Out The Jams'
2007 w/ UNKLE
Burn My Shadow
- 12", UK, SURR004T, white label promo 'wrong a-side written on plain sleeve'
- 12", UK, SURR004T, red vinyl
- 7" UK SURR004S, picture disc
- 7" UK SURR004S white label promo
- CDS, JAP, TRCP-5, 1-track promo
- CDS, UK, All Surrender label, 8-track remix promo
- War Stories, CD, UK, SURR005CDX´
- Where Were You At 6 AM .. (War Stories) CD UK SURR003CDP promo, special pack 'envelop' w/ insert
2001
- Zilch - Mimizuzero, CDS, JAP, CTCR-40063
- Zilch - Mimizuzero, CDS, JAP, CTCR-40063, sealed promo copy, Ian lends his vocals to the track 'Ape Messiah'
2010
- Slash - Ghost, CDS, GER, RR PROMO 1217, 1-track promo w/ cardboard sleeve
- Slash - Ghost, CD-R, DEN, 1-track promo w/ stickered plastic sleeve
2010 BXI w/ Boris
- 12", USA, LORD120LP, white label promo #3/5 w/ Southern Lord release sheet
- 12", USA, LORD120LP, black vinyl
- 12", USA, LORD120LP, blue vinyl
- 12", USA, LORD120LP, pink vinyl w/ poster
2010
- Fuzztones - Illegitimate Spawn 2, CD, EUR, TWIST BIG29, double cd, Ian vocals on 'Cheyenne Rider'
2016
- George Fest - a night to celebrate the music of George Harrison, CDx2/DVD, EU, 538187717, Ian sings ‘Be Here Now'
2018
- NIN - Bad Witch, CD, EU, B002836402, IA additional vocals Shit Mirror
2019
- Unkle - The Road Part II/Lost Highway, CDx2, UK, SFTDCD002, IA vocals Crucifiction/A Prophet