Solved:
x = Stardust - Blazin'[chiz]
lil louis early 90s = Tyree - Hard Core - Hip House[Meltdown]
Ivan Iacobucci @ Club dei 99 - 12.1992 = Blade Razor - Fixation (DJ Ivan Mix)[pluto]
1989 = Simphonia - Can't Get Over Your Love (Boyd Jarvis Vibes Mix)
ron trent 1993 = Hustlers Convention - Meltdown [RJJNYC]