Beatrix Buried, the use of sound

At the start of the scene you hear a glimpse of Spanish guitar, within two seconds the music suddenly becomes much heavier as a man shuts the lid of the coffin she is in.

Just as the music begins to fade out, suddenly a strong sound of a nail smashing through the wood, nailing down the coffin lid. The sudden alerting sound keeps tension in the scene and shocks the audience. (not finished)