I am pretty sure they have sampled and messed with the sounds from an ultrasound machine, it is clearly the sound of blood rushing through a heart valve at the end. They are waiting for an act of God which is beautifully played out in the climactic ending.
I am pretty sure they have sampled and messed with the sounds from an ultrasound machine, it is clearly the sound of blood rushing through a heart valve at the end. They are waiting for an act of God which is beautifully played out in the climactic ending.