The Conjuring Use of sounds

In this scene of The Conjuring this is the scene where the mother hears coming from the basement.

Sounds are:
Water dripping
Piano playing a tune
The light bulb being turned on
Light switch flicked on
Floor creek
Light bulb moving.

In that bit of the scene the mother is scared and with not being able to talk, the sounds from the objects are making the noise for her like the sounds in the background meaning it quiet , everyones asleep. The sound of the piano playing is showing people that she's not alone causing her to breath louder.

Next sounds
Sounds are:
Door slamming shut
Her falling down the stairs and banging into the piano
Ball bouncing
Light bulb bursting
Banging at the door
Clapping

All of these sound help makes the scene more intense and when she falls down the stairs it shows how old the house is by the way the sound of them.