- Three Band Terror (Until It Breaks Demo No. 3) by Linkin Park prod. by Linkin Park
- TINFOIL by Linkin Park prod. by Brad Delson, Mike Shinoda & Rick Rubin
- TINFOIL / POWERLESS (Instrumental) by Linkin Park prod. by Brad Delson, Mike Shinoda & Rick Rubin
- TooLeGit (2010 Demo) by Linkin Park prod. by Brad Delson & Mike Shinoda
- Turn To Grey (Unreleased 1999 Demo) by Linkin Park prod. by Mike Shinoda (Unreleased)
- Unfortunate (Unreleased Demo 2002) by Linkin Park prod. by Linkin Park
- Unicorns and Lollipops (2008 LPU 8 Joke Song) by Linkin Park
- Unknown Title/Song 1 (Unreleased Track)
- Unknown Title/Song 2 (Unreleased Track)
- Unreleased (Demo) [The Visionaries & Linkin Park] by Visionaries (Ft. Mike Shinoda)
- UNTIL IT BREAKS by Linkin Park prod. by Brad Delson, Mike Shinoda & Rick Rubin
- Until It Breaks Demo No. 4 (Unreleased Living Things Demo) by Linkin Park
- UNTIL IT BREAKS (Instrumental) by Linkin Park prod. by Brad Delson, Mike Shinoda & Rick Rubin
- Until It's Gone by Linkin Park prod. by Brad Delson & Mike Shinoda
- Until It's Gone (Acapella) by Linkin Park prod. by Brad Delson & Mike Shinoda
- Until It's Gone (Instrumental) by Linkin Park prod. by Brad Delson & Mike Shinoda
- Until It's Gone (Live at Rock am Ring) by Linkin Park prod. by Brad Delson & Mike Shinoda
- Untitled (It Doesn't Matter) [”In The End” 1999 Demo] by Linkin Park
- Valentine's Day by Linkin Park prod. by Mike Shinoda & Rick Rubin
- Vegas Baby by Uncle Kracker prod. by Michael Bradford