At Official Facebook page you can hear to the soundtrack preview.   It includes: Bruno Mars - It Will Rain (full song) Christina Perri - A Thousand Years The Joy Formidable - Endtapes The Belle Brigade - I Didn’t Mean It Sleeping At Last - Turning Page   Some tracks are with introduction from the artists. Remember this is the preview. Only 'It Will Rain' is a full song.   You can listen to this O…