With Main Source

1991: Breaking Atoms

Solo albums

1996: The LP (shelved, self-released in 2002, officially released in 2009)

2002: 1st Class

2008: Main Source

2012: Professor @ Large

2015: RE: Living Legend

Collaboration albums

1993: Vagina Diner (With Akinyele)

2003: Exotic's Raw (With Neek the Exotic) "Album majority, minus 6 tracks"

2008: Spiritual Intelligence (With L.E.O)

2010: Exotic Species (With Neek the Exotic) "Album majority, minus 4 tracks"

2011: Still On The Hustle (With Neek the Exotic) "Album majority, minus 5 tracks"

2014: Mega Philosophy (With Cormega)

Instrumental albums

2006: Beatz Volume 1

2007: Beatz Volume 2


1990: "Let the Rhythm Hit 'Em" (Various uncredited songs on album by Eric B. & Rakim)

1990: "Intelligent Hoodlum" (Various songs on album by Intelligent Hoodlum)

1990: "Wanted: Dead or Alive" (Various songs on album by Kool G Rap & DJ Polo)

1992: "Peer Pressure" (Album Juvenile Hell by Mobb Deep)

1992: "Halftime" (Nas song from the soundtrack Zebrahead and Illmatic)

1993: "Hey Girl" (from the Apache album Apache Ain't Shit)

1993: "Keep It Rollin" (from the A Tribe Called Quest album Midnight Marauders)

1993: "Niggaz Never Learn" (from the Big Daddy Kane album Looks Like a Job For...)

1994: "Stress (Remix)" (from the Organized Konfusion 12" Stress)

1994: "One Time 4 Your Mind", "It Ain't Hard To Tell" (from the Nas album Illmatic)

1995: "Resurrection '95" Extra P Remix (from the Common 12" Resurrection)

1995: "Resurrection '95" Large Professor Remix (from the Common 12" Resurrection)

1996: "Extra Abstract Skillz" (from the Mad Skillz album From Where???)

1999: "I Sparkle" (Slick Rick from the Wild Wild West Soundtrack)

2000: "The Heist" (from the Busta Rhymes album Anarchy)

2001: "You're Da Man", "Rewind" (from the Nas album Stillmatic)

2002: "The Come Up" (from the Cormega album The True Meaning)

2002: "We Are the Future," "It's Us," and "Drug Music" (from the Non Phixion album The Future Is Now)

2004: "What They Want" (from The UN album UN Or U Out)

2006: "World Wide" (from the Boot Camp Clik album The Last Stand)

2006: "Right 2 Know" (From the Prince Po album Prettyblack)

2006: "I Be Thuggin'" b/w "Mack of the Year" (Grand Daddy IU Single)

2007: "I'm Up Now" (from the Mic Geronimo album Alive)

2008: "Conquer Mentally" Large Professor Remix (Presto album State of the Art)

2008: "The Hardest" (AZ album Undeniable)

2008: "Stages" (Reks album Grey Hairs)

2009: "No Problems" (Earatik Statik album Good, Bad & Ugly)

2009: "New Classic" (U-God album Dopium)

2009: "Same Old Drama" (Grand Puba album Retroactive)

2009: "Journey" (Cormega album Born & Raised)

2010: "Ohh" (Joell Ortiz album Free Agent")

2011: "Do The Math" (Torae album For The Record)

2011: "The Quickening" (Funkoars album "The Quickening")

2012: "Catch The Thrown" (Public Enemy album Most of My Heroes Still Don't Appear on No Stamp)

2013: "Built Pyramids" (N.O.R.E album Student Of The Game)

2013: "Acid Reflux" & "Canarsie High" (Ill Bill album The Grimy Awards)

2013: "Solar Flares" (Jeru the Damaja EP The Hammer)

2014: "MARS" (Cormega ft AZRedman & Styles P album Mega Philosophy by Cormega)

Vocal appearances

1990: "Money In The Bank" (Kool G Rap & DJ Polo album Wanted: Dead or Alive)

1993: "Keep It Rollin'" (A Tribe Called Quest album Midnight Marauders)

1994: "Stress (Remix)" (Organized Konfusion "Stress" 12")

1995: "Extra Abtract Skillz" (Mad Skillz album From Where???)

1996: "To Each His Own (Feat. Q-Tip)" ([InI: Pete Rock Classics]) album Center of Attention

2000: "The Last Shall Be First" (Cella Dwellas album The Last Shall Be First)

2002: "XL" (The X-Ecutioners album Built from Scratch)

2002: "Hip Hop On Wax" (Rob Swift album Sound Event)

2002: "The Come Up" (Cormega album The True Meaning)

2004: "Sugar Ray and Hearns" (Cormega album Legal Hustle)

2004: "Out Da Box" (Tony Touch album The Piece Maker 2)

2006: "United" (MF Grimm album American Hunger)

2007: "The Radar" (Marco Polo album Port Authority)

2007: "The Purist" (Polyrhythm Addicts album Break Glass)

2008: "Conquer Mentally" (Presto album State of the Art)

2009: "Fans" (Masta Ace & Edo G album Arts & Entertainment)

2009: "Sweet 16s" (Satchel Page album Young Patriarch)

2009: "Like This" (No Sellout: Ground Original 2(album))

2011: "Beats By The Pound" (Soulbrotha The Connexion EP)

2011: "The Quickening" (Funkoars)

2012: "Forever" (Gensu Dean) album (Standard Life)

2012: "Loco-Motive" (Nas album Life Is Good)

2012: "Catch the Thrown" (Public Enemy album Most of My Heroes Still Don't Appear on No Stamp)

2012: "Back & 4th Scrambler" (Yu Mamiya)7 Inch Single

2013: "Built Pyramids" (N.O.R.E. album (P.A.P.I.))

2013: "Astonishing" (Marco Polo album (P.A.2 The Directors Cut))

2014: "Naturally Born" (with Big Noyd & Kool G Rap)