Special Remix CD as Pre-Order bonus

Buy Hatsune Miku Project DIVA extend, and Sega will give you a "VOCALOID extend REMIXIES" [sic] CD as a bonus goodie.
For SEGA fanatics, this is a goodie indeed.
The soundtrack consists of seven remix tracks sung by Miku and her fellow Vocaloids. Three tracks are from the title screens of the Project DIVA series and contain new lyrics sung by Hatsune Miku. They were already hidden in the code of the PDe demo, and have alrady been leaked - you can listen to them here. As for the other four, see if you recognize these SEGA classics:

• Start of Rainbow ～first step～: Remix of the Project DIVA Title Theme by Dixie Flatline
• Day of indigo, ~ second flight ~ fly Sky: Remix of the Project DIVA 2nd Title Theme by baker
• Extend your wave ~ Prayer of Love: Remix of the Project DIVA Extend Title Theme by wowaka
• Live and Learn: From Sonic Adventure 2
• Ignite Infinity: From Phantasy Star Portable 2 Infinity
• Moshimo Kimi ga Negau no Nara: From Valkyria Chronicles 3
• Love 14: From Virtual On

The bonus CD can only be obtained by those who buy the retail version of the game, which arrives first on November 10 for 5.229 Yen. The download version of the game which will cost 4.700 Yen is scheduled for December 15.

Sources:
CD: Official Site
Title Screen Remixes: ProjectDIVA.fr

Full CD:

 

added all 7 tracks as YT-videos to the first post