Insensitivity to and inability to appreciate the elements of performed music or the rhythm, elegance, or nuances of language
Despite their careless scholarship and a less tangible quality that some would call a tin ear for poetry, Morris Halle and S. J. Keyser, as metrists, have the considerable virtue of explicitness.
An insensitivity to music or to sounds of a given kind: a writer with a tin ear for dialogue
insensitivity to the appropriateness or subtlety of language; "he has a tin ear for dialogue