- Bag Da Biscuit by Saukrates prod. by Saukrates
- Bag Da Biscuit (Ain't Nuttin' But a...) by Saukrates prod. by Saukrates
- Bag Da Biscuit (Basement Mix) by Saukrates prod. by Saukrates
- Bang Three (What I've Done Original Demo) by Linkin Park
- Barack Your World by White Pegacorn
- Basil (2008 Demo) by Linkin Park
- Basquiat (2007 Demo) by Linkin Park
- Battle Symphony by Linkin Park prod. by Brad Delson
- Battle Symphony (One More Light Live) by Linkin Park prod. by Mr. Hahn
- Beat 04 (Mike Shinoda) [Unreleased Beat] by Linkin Park prod. by Linkin Park
- Beat 10 (Mike Shinoda) [Longer Version Of "Grr"] by Linkin Park
- Believe Me by Fort Minor (Ft. Eric Bobo & Styles of Beyond)
- Believe Me (Club Remix) by Fort Minor (Ft. Styles of Beyond)
- Berlin One, Version C (2009 Demo) by Linkin Park prod. by Linkin Park
- Be Somebody by Fort Minor (Ft. Lupe Fiasco, Skylar Grey & Takbir Bashir)
- Better When I'm Crazy by Justus Bennetts prod. by Colin Brittain
- Big Pimpin' / Papercut by JAY-Z & Linkin Park prod. by Don Gilmore & Timbaland
- Big Pimpin' / Papercut (Live 8) by Linkin Park (Ft. JAY-Z)
- Blackbirds by Linkin Park prod. by Rick Rubin
- Blackout by Linkin Park prod. by Rick Rubin