4 acid techno tracks from 1990s

please help me to find out:

acid techno 1:
https://www.youtube.com/watch?v=zoZGa4yjK7chttp://

acid techno 2:
https://www.youtube.com/watch?v=qFRkYwwnUrU

two tracks mixed:
https://www.youtube.com/watch?v=kSfui8TXfIY

thanks

come on please

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