The kind of music she had not heard for a long time.
She had not heard from him for a long while.
No one has heard or seen any thing of him for years.
The couple has not heard from any of them for almost two years.
I think he wanted his voice to be heard for the first time.
Dead air was heard for sometimes weeks at a time.
She had not heard of him now for more than two years.
She had not heard from him for more than a year.
I haven't heard anything about him for a few years.
I haven't heard from her for a couple of days.