bgm-great asset if scored in tune with story

yes
The back ground score adds up the intensity off movie. the director who knows how to escalate emotions using BGM can easily climb the ladder of success. the music director who enhances the quality of the film with his back ground score is a complete music director,
here are some BGM which increased the intensity of the story:

!) MaryadaRamanna
the hero walks into the villains house unaware of the thing that they are waiting for years to kill him. as he is led into the house this bgm comes   
this is only music   :  http://www.youtube.com/watch?v=5R6LAdBifFA.
lookk at the scene: http://www.youtube.com/watch?v=10StYdeUGs0&feature=related
2)Look at this one in Sarkar    : http://www.youtube.com/watch?v=yjnb414rUcQ