#tone deafness

• Amusia — A congenital or acquired neurological disorder (following a brain injury) characterized by the partial or total inability to recognize, hum, reproduce, or understand musical tones, rhythm, and melodies, despite biological hearing and general intellectual functions remaining perfectly intact; tone deafness. This structural phenomenon affects the cognitive processing of sound structures in the secondary auditory cortex.
• Amusia — A rare disorder of musical perception or a specific form of auditory agnosia characterized by a person's pathological inability to distinguish, recognize, or reproduce musical sounds, rhythms, or tones, despite the peripheral auditory function and the ability to understand spoken language remaining fully intact.