All tracks of the soundtrack Ori and the will of the Wisps are great ^^ 
these are my favourites :)

Special thanks goes to Gareth Coker, Moon Studios and Xbox Game Studios  <3

Best Ori and the will of the Wisps Soundtrack

Ori and the Will of the Wisps

Silent Woodlands

Sanctuary in the Glades

Main Theme

A Snowy Skirmish

Now Use the Light, We Want to See!

Escape with the Memory of the Forest

Kwolok's Hollow

Dashing and Bashing

Shriek and Ori

Ori, Embracing the Light

Escaping a Foul Presence

A Shine Upon Inkwater Marsh

Escaping the Sandworm

Resolution in Paradise

Best Ori and the will of the Wisps Soundtrack

Proxima B