large professor, large professor and RZA
check the credits i think large professor was instrumental in shaping that NY sound:
He TAUGHT dj premier his way around the sp1200 so it is said
Timeline:
first single (Main Source's "Think" b/w "Atom") spun by Marley Marl & Pete Rock on 98.7 KISS FM.
taught DJ Premier his way around an SP1200, passing on what LP had learned from Pete Rock. Primo introduced LP to vintage vinyl, and hooked Main Source up with Wild Pitch.
at 17, programmed the beats for Eric B & Rakim's Let the Rhythm Hit 'Em -- high school by day, beats by night
still in HS in Queens, got the call to work on Kool G Rap's Wanted Dead or Alive
got Prodigy (of Mobb Deep), Busta Rhymes -- among others -- more started in producing
produced tracks for Akinyele, Slick Rick, Mobb Deep, Biz Markie, Roxanne Shante, Beastie Boys
produced tracks for other noted producers: Gang Starr, A Tribe Called Quest, Pete Rock & CL Smooth, Eric B & Rakim.
recorded two albums of old school beat science for Geffen in the mid-90s, only two singles released ("Mad Scientist" and "Ijuswannachill").