Horror movie where a older man plays guitar loudly to drown out noises he hears

What starts as a poignant medical documentary about Deborah Logan's descent into Alzheimer's disease and her daughter's struggles as caregiver degenerates into a maddening portrayal of dementia at its most frightening, as hair-raising events begin to plague the family and crew and an unspeakable malevolence threatens to tear the very fabric of sanity from them all.

A gentle man is afflicted by "musica telephobia" - fearful music constantly follows him around.

A modern re-telling of an old classic from Edgar Allan Poe. A strange noise torments a man who's isolated within his small country side home.

An aging Musician's lifework is audibly represented through his house

A young man tries to sleep as a mysterious voice wants to be let in.

A young man is annoyed by noisy houseguests.

After a delirious man murders his wife he is sent down a spiral of disturbing nightmares.

A man hears a noise and goes to investigate.

A masked man too stubborn to die is provoked by a cloaked figure.

A crazed rock singer returns from the dead to murder members of his former band.