This is the tracklist for the Extended soundtrack:
Disc 1:
My Dear Frodo
Old Friends - Extended version
An Unexpected Party - Extended version
Blunt The Knives
Axe Or Sword?
Misty Mountains
The Adventure Begins
The World Is Ahead
An Ancient Enemy
Radagast The Brown - Extended version
The Trollshaws
Roast Mutton - Extended version
A Troll-Hoard
The Hill of Sorcery
Warg-Scouts
Disc 2:
The Hidden Valley
Moon Runes - Extended version
The Defiler
The White Council - Extended version
Over Hill
A Thunder Battle
Under Hill
Riddles In The Dark
Brass Button
Out Of The Frying-Pan
A Good Omen
Song Of The Lonely Mountain - Extended Version
Dreaming Of Bag End
A Very Respectable Hobbit
Erebor
The Dwarf Lords
The Edge Of The Wild
It's available on Spotify, and probably on iTunes as well