here is an example of hard acid trance+techno tracks u can look up urself, enjoy!!!!!!
X-tremely hard acid techno & acid trance

Vinyls:

Brain 1 - Brain1 (One Sided)
Brain 2 - Something for your mind (Accent Mix)
Brain 2 - Something for your mind (Inject Mix) 
Brain 3 - Acid Fly (Original Version)
Brain 3 - Acid Fly (Robot RMX)
Brain 4 - Dangerous To Remain (XTC Mix)
Brain 4 - Dangerous To Remain (Phuture Mix)
Brain 5 - Power Of A Dark Side (Plasma Mix)
Brain 5 - TB Inject (B-Side)
Brain 6 - Observer (Influence Mix)
Brain 6 - Observer (Double Bass Mix)
Brain 7 - Distorted Dreams (Reverb Mix)
Brain 7 - Distorted Dreams (Transform Mix)
Brain 8 - Into The Future (Wizzard Mix)
Brain 8 - Into The Future (High Density Mix)
Brain 9 - I'm a Nightmare (Original Mix)
Brain 9 - I'm a Nightmare (unknown)
Brain 10 - Under my command (Domain Mix)
Brain 10 - Under my command (Obsession RMX)
Brain 11 - Mystique (Horizon Mix)
Brain 11 - Mystique (Dark Mix)
Brain 12 - True 4 Life (303 Mix)
Brain 12 - True 4 Life (B1 Mix)
Brain 13 - Acid Machines (Cutoff Mix)
Brain 13 - Acid Machines (Alien Mix)
Brain 14 - Psychodelic Space Trippin' (Trigger Mix)
Brain 14 - Psychodelic Space Trippin' (Phase 2 Mix)
Brain 15 - The Acid Devil (TB Mix)
Brain 15 - The Acid Devil (Violant Mix)
Brain 16 - Ghost (TB Mix)
Brain 16 - Ghost (B1 Mix)
Brain 17 - Mysterious Place (Cold Capture Mix)
Brain 17 - Mysterious Place (Hot Capture Mix)
Brain 18 - Virtual Reality (Outside Your Mind Mix)
Brain 18 - Virtual Reality (Inside Your Mind Mix)
Brain 19 - I loose my Mind (TB 303 MIX)
Brain 19 - I loose my Mind (Mind Control RMX)
Brain 20 - Acid Mother******s (Michael Da Brain Mix)
Brain 20 - Acid Mother******s (Junk Project RMX)
Brain 21 {Brain 2 REMIXES} - Kaylab RMX -{this track is the shit}
Brain 21 {Brain 2 REMIXES} - Iridium Gold RMX
Brain 21 {Brain 2 REMIXES} - Inject Version
Brain 22 - The Hard Side Of Life (Vocal Mix)
Brain 22 - The Hard Side Of Life (Non Vocal Mix)
Brain 23 - Never Forget (Vocal Club Mix)
Brain 23 - Never Forget (Non Vocal Club Mix)
Brain 24 - Feedback Destroyer (Vocal Mix)
Brain 24 - Feedback Destroyer (Non Vocal Mix)
Brain 25 - Confusion (Vocal Mix)
Brain 25 - Confusion (Non Vocal Mix)
Brain 26 - Question (Vocal Mix)
Brain 26 - Question (Non Vocal Mix) 
Brain 27 - Pneumatic Drill (TB Mix)
Brain 27 - Pneumatic Drill (Synthetic Terror RMX)
Brain 28 - Wrong Turn (Alpha Mix)
Brain 28 - Wrong Turn (Beta Mix)
Brain 29 - Demon of the church (Alpha Mix)
Brain 29 - Demon of the church (Beta Mix) 
Brain 30 - Brain Train (Tunnel Virus Version)
Brain 30 - Brain Train (Psycho 303 RMX) 
Brain 31 - Tinnitus (Earcrash Mix)
Brain 31 - Tinnitus (Psycho Mix) 
Brain 32 - Never Trust Your Own Emotions (Main Mix)
Brain 32 - Never Trust Your Own Emotions (B-Side)