Kazuhiro Ohtsuka ran Trial Run Tapes, established 1984, which released experimental, noisy and improvised musics. He collaborated with Zan Hoffman in the 1980's and 1990's.
KOMPILACE +
Zanoisect
Try L Ron
2009, CDr, ZH27
Here Be Monsters
Desert Caliphate Ambush
2009, CDr, ZH27, 
,
, Abstract
You, Me, Us & Them
Savor Combustable Subcultures
2003, CDr, ZH27
Zanoisect
Fresh Treacherous Postures Articulated
2003, CDr, ZH27
Masters Of The Ungentlemanly Art
Belleglip Ranch Episode
2003, CDr, ZH27, ,
, Abstract/Experimental
The Twists And Turns Of The Loved And Hated...
The Twists And Turns Of The Loved And Hated O
2003, CDr, ZH27
Zanoisect / Zanstones
Turnoise 2000 / 41 Through 74
2002, CDr, XV Parówek, 
,
, Noise/Experimental
Your Life Has Been ... For You
Your Life Has Been Disturbed For You
2001, CDr, ZH27, ,
, Abstract/Experimental
Here Be Monsters
A Tick For A Tack
2001, CDr, ZH27, ,
, Abstract/Experimental
Masters Of The Ungentlemanly Art
Pallbearers Of The Sardonic
2000, CDr, ZH27
Here Be Monsters
Three Long Arms
2000, CDr, ZH27
Zanoisect
Must We Be Kind?
2000, CDr, ZH27
Zanoisect
Trial In The Valley Of Decision
2000, CDr, ZH27
Buddy If You Like Our Music Go To The Vet
Throw Away The Lights, The Definitions, And Say Of What You See In The Dark
2000, CD, ZH27
Buddy If You Like Our Music Go To The Vet
There Must Be, In The Curling Out Of Spring, A Purple Leaping Element
2000, CDr, ZH27
Masters Of The Ungentlemanly Art
Liva's Lacerations
2000, CDr, ZH27, ,
, Abstract/Experimental
Zanoisect
Ream A Ruin
1999, CDr, ZH27
Zanoisect
Nerima Run
1999, CDr, ZH27
Zan Francisco
Concert For 300 Magnetic Tapes (ZH Remixes)
1995, Cass, S/Sided, C60, ZH27, ,
, Abstract/Experimental
Zan Francisco
Concert For 300 Magnetic Tapes -BC Remix
1995, Cass, S/Sided, C60, ZH27, ,
, Abstract/Experimental
Zan Francisco
Concert For 300 Magnetic Tapes (Paco Remixes)
1995
Zan Francisco
Concert For 300 Magnetic Tapes (Circulo De Bellas Artes)
1993, Cass, S/Sided, C60, ZH27, ,
, Abstract/Experimental
Zan Francisco
Concert For 300 Magnetic Tapes (Alcala De Henares Mixer)
1993, Cass, S/Sided, C60, ZH27, ,
, Abstract/Experimental
Zan Francisco
Concert For 300 Magnetic Tapes (Alcala De Henares)
1993, Cass, S/Sided, C60, ZH27, ,
, Abstract/Experimental
Zan Francisco
Concert For 300 Magnetic Tapes (Casa Del Paco)
1993, Cass, S/Sided, C60, ZH27, ,
, Abstract/Experimental
Zan Francisco
Concert For 300 Magnetic Tapes (Gijon Mixer)
1993, Cassette C60, ,
, Abstract/Experimental
Zan Francisco
Concert For 300 Magnetic Tapes (Gijon)
1993
Masters Of The Ungentlemanly Art
Relapse In Ninety-Two
1992, Cass, S/Sided, C60, Zidslick, ,
, Abstract/Experimental/Sound Collage
Here Be Monsters
Thousands Are Still Asleep
1992
Here Be Monsters
Magnus Sixtus Ruckus
1991, Cass, S/Sided, ZH27, ,
, Abstract/Experimental
Here Be Monsters
No Moth Equipped With A Lightning Bug
1991, Cass, S/Sided, C60, ZH27, ,
, Abstract/Experimental
Rid Cid Of Arid Acid
Rid Cid Of Arid Acid
1988, Cass, S/Sided, C60, ZH27, ,
, Abstract/Experimental
The Scotch Tape Hall Of Fame (Pitter Patter)
The Scotch Tape Hall Of Fame (Pitter Patter)
1988, Cass, S/Sided, C60, ZH27
Purple Poke
If The World Sweats Why Won't It Stain?
1988, Cass, S/Sided, C60, ZH27
Ohbi Daka
Why Russia Is Better In Space
1988
Buddy If You Like Our Music Go To The Vet
Either You're A Cripple Or You Help Hurt Dogs
1988, ,
, Abstract/Experimental
Masters Of The Ungentlemanly Art
Unclean Brut
1987, Cass, S/Sided, C60, ZH27
Mystic Lions Slumber Under The Red Sun
Mystic Lions Slumber Under The Red Sun
1987, Cass, S/Sided, C60, ZH27
You, Me, Us & Them
The World Sweats Into Our Brains
1987, Cass, S/Sided, C60, ZH27
Masters Of The Ungentlemanly Art
Live Recombobulated Exquisite Corpses
1987, Cass, S/Sided, C60, Zidslick
(no mustache under his nose)
Arrestrial
1987, ,
, Abstract/Experimental
Zanguts
Midnight Flight With 40 Deaf Lions
1987
Thicknicksick
Drip Drip Drip
1987
(no mustache under his nose)
Saliva
1987, ,
, Abstract/Experimental
(no mustache under his nose)
Vaseline
1987
Masters Of The Ungentlemanly Art
Midnight Flight To Ruin
1987
Zanguts
40 X 47 By Mud
1987
Zan Hoffman / Here Be Monsters
Here Be Monsters
Cass, C60, Echtzeit, 
,
, Abstract/Experimental
Různí
公民館運動練馬場所
1987, Cass, Comp, Trial Run Tapes
Různí
21分連鎖行為芸術祭記録 = 21min. Chain Performing Arts Festival Document Video
1985, Beta, NTSC, 人生の並木道社, 
,
, Experimental
