Possible Clues:

• Read about strange part of human anatomy
• It receives word of a murder that's been arranged
• Listener partly unravelled a murder
• Body part jarred at concerts, say
• One hears of a murder at sea
• Organ membrane
• Part of the body studied by otolaryngologists
• Cockney's picked up booze and amplifier
• Heard rumour, some whispered into this?
• Sound transmitter with whiskers doesn't start? That's odd!