How to use "chord" in a sentence

"The danger has struck a chord in you."

Although The Eyes of Darkness does not have the intensity, the humor, the depth of characterization, the complexity of theme, or the pace of later novels, readers have responded positively to it over the years, most likely because the device of a lost child - and the dedicated mother who will do anything to find out what happened to her little boy - strikes a primal chord in all of us.

Among those in whom it struck a chord were the aforementioned producer, studio executives, and network pooh-bahs