Vocal sounds and chants can engage the brain’s limbic system, which is associated with memory and emotion, helping to "unlock" or stimulate the release of blocked feelings. Why We Turn to Edits When Ruminating
Unlocking the Emotional World of Visual Media: An Overview ... - PMC
Audio is the foundational "invisible force" of a vent edit. For those stuck in their thoughts, specific auditory cues can mirror or shift their internal state: