These are the songs that will be released on the official Twilight soundtrack, and will be heard in the movie as well.

Muse — Supermassive Black Hole
Paramore — Decode
The Black Ghosts — Full Moon
Linkin Park — Leave Out All The Rest
MuteMath — Spotlight (Twilight Mix)
Perry Farrell — Going All The Way (Into The Twilight)
Collective Soul — Tremble For My Beloved
Paramore — I Caught Myself
Blue Foundation — Eyes On Fire
Rob Pattinson — Never Think
Iron & Wine — Flightless Bird, American Mouth
Carter Burwell — Bella’s Lullaby