a tin ear

(informal)

if someone has a tin ear, they do not have a natural ability to understand or enjoy music Even to someone with a tin ear like mine, their singing sounded pretty awful.

Common Names:

Name	Pronounced	Usage
Constantin	kon-stahn-TEEN (Romanian), kawn-stawn-TEN (French)	Romanian, French
Brenda	['bendə]
Darya (1)	DAHR-yah (Russian)	Russian, Belarusian
Behnam	-	Persian
Leonius	-	Late Roman
Osanne	-	French (Rare)