Possible Clues:

• Distinctive scent left - but not in the nose!
• Sound examination relating to musical perception
• For the ear, or so it is said by the sound of it
• Test we hear? A river
• To do with hearing or the ears
• __ comprehension
• Like one of the senses
• Involving one of the senses
• Halo-related
• It's reportedly spoken of the listener