| Einstürzende Neubauten (w/ Lydia Lunch)|
Thirsty Animal/Durstiges Tier 12" (1982)
Available on the EN compilation Kalte Sterne (2004) on Mute.
| Fad Gadget|
I Discover Love 12" (1983)
Also available on The Best of Fad Gadget CD (2001) on Mute.
Gag LP (1984) CD (1991)
Rowland plays guitar on Ideal World and Ad Nauseam.
| Henry Rollins|
Short Walk On A Long Pier LP (1985)
Rowland plays guitar on Alienation with Chris Haskett.
| A.C. Marias|
Time Was 12" (1987)
With Barry Adamson, Bruce Gilbert, Rowland S. Howard, Paul Kendall and John Fryer. Recorded at Worldwide Studio 1987. Mixed at Blackwing Studio 1987.
On Mute Records.
| Ron Rude|
Waldsterben EP (1989)
Rowland plays guitar on the title track.
| Barry Adamson|
Moss Side Story LP/CD (1988/9)
Rowland plays guitar on Autodestruction in Act Three: The Final Irony.
Delusion LP/CD (1991)
Rowland plays guitar on These Boots Are Made For Walking.
| Epic Soundtracks|
Rise Above CD (1992)
Rowland plays guitar on Sad Song, Wild Situation, and Meet Me On The Beach.
| Spencer P. Jones|
Rumour of Death LP/CD (1994)
Rowland plays guitar on Slamming On The Brakes #2 and Jet Boy, Jet Girl. On Red Eye Records.
| Chris Haskett|
Language CD (1995)
Rowland co-wrote (?) and plays guitar on Spider Mother, Mr. Twisty Wants His Car Wreck, Days In A Lifeboat and Invisible Western. On 2.13.61 Records.
| Mick Harvey (w/ Adalita)|
Suburban Mayhem OST CD (2006)
The soundtrack to new Australian indie flick, Suburban Mayhem, features a line up of blistering rock acts, including new vocal performances by MAGIC DIRT's ADALITA and a score composed and produced by aussie legend, MICK HARVEY...
| Magic Dirt|
White Boy EP CD (2009)