Sergeant Kidd returned to his patrol car to answer the insistent calls coming through for him on the radio.

It was 3 a.m. Nature's call, long insistent, became irresistible for some.

Right about there, if the wind is blowing a certain way, you'll hear the insistent call of the drums.

The insistent call was stilled; the cylinder's cycling action slowed.

I woke first, having heard the sweet, insistent call of a cardinal.

So she ignored the insistent call, busied herself with finding the key to the door.

As if through a foggy tunnel, his brain registered the call of a whistle, faint but insistent.

He heard the pleas, but there was no location attached to them, just an insistent call.

But she could hear a meadowlark's high, insistent call as she left the window down to the play of the wind.

He further wrote that, "it is to all Christians that we address a fresh and insistent call to action."