The Dark Knight Bonus Digital Release <a href=&quot;http://www.amazon.co.uk/Dark-Knight-Bonus-Digital-Release/dp/artist-redirect/B002LZWMA8&quot;>The Dark Knight - Original Motion Picture Soundtrack</a><span class=&quot;byLinePipe&quot;> | </span><span class=&quot;byLinePipe&quot;>Format:</span> MP3 Download