These tracks were planned to be included in the radio station Vinewood Boulevard Radio, but they did not make it into the release version of the game.
They are mentioned in trackID.gxt2: Cold War Kids - Hang Me Up To Dry DIIV - Doused Hanni El Khatib - Head In The Dirt Hanni El Khatib - Pay No Mind No Age - Eraser Psychic Ills - I Get By Tame Impala