Old Skool Trance/Prog House 1998-1999 Can Anyone Please Help ID these unknown tunes??

Hi guys, I've spent a while compiling a list of my unknown trance tunage IDs dating back from 1998 to 1999. If any of you could check these out and possibly resolve any of these, it would make me very happy :) Thanks for taking the time to check these out

1998-1999 Trance

01. YouTube - Unknown Trance ID from 1998-1999
02. YouTube - Unknown Trance ID from 1998-1999
03. YouTube - Unknown Trance ID from 1998-1999
04. YouTube - Unknown Trance ID from 1998-1999

1998-1999 Prog House

05. YouTube - Unknown Prog House , Trance ID from 1998-1999
06. YouTube - Unknown Prog House , Trance ID from 1998-1999

1999

07. YouTube - Unknown Trance ID from 1999
08. YouTube - Unknown Trance ID from 1999
09. YouTube - Unknown Trance ID from 1999
10. YouTube - Unknown Trance ID from 1999
11. YouTube - Unknown Trance ID from 1999 *The tune has a small clip of Tall Paul - Freebase before moving onto the unknown tune.

Thanks for taking a listen and if any of these can be solved, I will be ecstatic!