1.   A new sound was growing in the tunnel, a distant rumble.

2.   The sound of footsteps grew louder.

3.   The sound was growing louder.

4.   Haphazardly her eyes skimmed the blueness as the sound grew.

5.   The crashing sounds grew louder and then a pair of shoes came into her field of vision.

6.   And yet it can handle a lot of power, so the louder you play it, the more lifelike its sound grows.

7.   Gradually, the sound grew stronger, and I realized the crowd had spontaneously begun its own service.

8.   Ms. Uchida also seemed fond of gradually tapered pianissimos in which the sound grows fuller and more beautiful as it becomes quieter.

9.   The sound grew especially loud around two enormous backyard birdhouses mounted on poles.

10.   The sound grew louder as Daddy called the man back.