Techno, deep, tech house tracks from the 90's

[stecont90]

Hello everyone!
any ideas about the following tracks?

1) https://www.youtube.com/watch?v=qopQa9zX35w
2) https://www.youtube.com/watch?v=uR_x9SY5iDw
3) https://www.youtube.com/watch?v=AFdAiRal5rk
4) https://www.youtube.com/watch?v=ofunyb23bPY
5) https://www.youtube.com/watch?v=zrDxtGdZNXw

thanks in advance!